Public domain: Introduction events' accounts (4904 / 4904)

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Species Recipient region Date of the first record  
Abra segmentumRussia / Caspian Sea1955
Abudefduf sexfasciatusGreece / Eastern Mediterranean2017
Abudefduf vaigiensisFrance / Western Mediterranean2000
Abudefduf vaigiensisItaly / Western Mediterranean1957
Acanthogobius flavimanusAustralia / Bass strait1990
Acanthophora nayadiformisFrance / Western MediterraneanTo 1977
Acanthophora nayadiformisGreece / Central Mediterranean1987
Acanthophora nayadiformisGreece / Eastern Mediterranean1861
Acanthosiphonia echinataItaly / Adriatic Sea2018
Acanthurus chirurgusItaly / Western Mediterranean2012
Acanthurus monroviaePortugal / Iberian Coastal2007
Acanthurus sohalGreece / Eastern Mediterranean2017
Acartia (Acanthacartia) tonsaBelgium1956
Acartia (Acanthacartia) tonsaBulgaria2000
Acartia (Acanthacartia) tonsaDenmark / Baltic Sea1921 - 1925
Acartia (Acanthacartia) tonsaDenmark / North Sea1921
Acartia (Acanthacartia) tonsaEstonia1924
Acartia (Acanthacartia) tonsaFinland1930
Acartia (Acanthacartia) tonsaFrance / Biscay Gulf1927
Acartia (Acanthacartia) tonsaFrance / English Channel1927
Acartia (Acanthacartia) tonsaFrance / Western Mediterranean1966
Acartia (Acanthacartia) tonsaGeorgia2002
Acartia (Acanthacartia) tonsaGermany / Baltic Sea1981
Acartia (Acanthacartia) tonsaGermany / North Sea1930
Acartia (Acanthacartia) tonsaGreece / Central Mediterranean2005
Acartia (Acanthacartia) tonsaIran / Caspian SeaFrom 1981
Acartia (Acanthacartia) tonsaItaly / Adriatic Sea1987 - 1988
Acartia (Acanthacartia) tonsaItaly / Western Mediterranean1986
Acartia (Acanthacartia) tonsaLatvia1924
Acartia (Acanthacartia) tonsaLithuania1920 - 1930
Acartia (Acanthacartia) tonsaNetherlands1913 - 1915
Acartia (Acanthacartia) tonsaNorway / North Sea1980 - 2012
Acartia (Acanthacartia) tonsaPoland1925
Acartia (Acanthacartia) tonsaPortugal / Iberian CoastalTo 1985
Acartia (Acanthacartia) tonsaRussia / Baltic Sea / Kaliningrad area1930 - 1950
Acartia (Acanthacartia) tonsaRussia / Baltic Sea / St. Petersburg area1934
Acartia (Acanthacartia) tonsaSweden / Baltic Sea1934
Acartia (Acanthacartia) tonsaSweden / North Sea1920 - 1930
Acartia (Acanthacartia) tonsaTurkey / Black Sea1996
Acartia (Acanthacartia) tonsaUkraine / Black SeaFrom 1976
Acartia (Acanthacartia) tonsaUnited Kingdom (Britain) / English Channel1956
Acartia (Acanthacartia) tonsaUnited Kingdom (Britain) / North Sea1956 - 1986
Acartia (Acartiura) clausiRussia / Caspian Sea1981
Acartia (Acartiura) omoriiFrance / English Channel2004
Acartia (Acartiura) omoriiFrance / North Sea2004
Acentrogobius pflaumiiAustralia / Bass strait1996
Achelia sawayaiItaly / Central Mediterranean2016
Achnanthes pseudogroenlandicaBulgaria1984
Achnanthes pseudogroenlandicaRomania1984
Achnanthes pseudogroenlandicaUkraine / Black SeaFrom 1984
Acinetospora crinitaAustralia / Bass strait1971
Acipenser baeriDenmark / Baltic Sea2005
Acipenser baeriEstonia1962
Acipenser baeriFinland1960 - 1970
Acipenser baeriFrance / Biscay Gulf1999
Acipenser baeriFrance / Celtic seas1999
Acipenser baeriGermany / Baltic Sea1980 - 1989
Acipenser baeriGermany / North Sea1980 - 1989
Acipenser baeriLatvia1962
Acipenser baeriLithuania1962
Acipenser baeriNetherlandsTo 1990
Acipenser baeriPoland1985
Acipenser baeriRussia / Baltic Sea / Kaliningrad area1960 - 1969
Acipenser baeriRussia / Baltic Sea / St. Petersburg area1964 - 1967
Acipenser gueldenstaedtiiDenmark / Baltic Sea1995
Acipenser gueldenstaedtiiDenmark / North Sea2010
Acipenser gueldenstaedtiiEstonia1962 - 1969
Acipenser gueldenstaedtiiFinland2000
Acipenser gueldenstaedtiiGermany / Baltic Sea1990 - 1999
Acipenser gueldenstaedtiiLatvia1962
Acipenser gueldenstaedtiiNetherlandsTo 1990
Acipenser gueldenstaedtiiPoland1985
Acipenser gueldenstaedtiiRussia / Baltic Sea / St. Petersburg area1964 - 1966
Acipenser gueldenstaedtiiSweden / Baltic Sea1966
Acipenser ruthenusFinland1958
Acipenser ruthenusLatvia1888
Acipenser ruthenusLithuania1885
Acipenser ruthenusNetherlandsTo 1990
Acipenser ruthenusPoland1937
Acipenser ruthenusRussia / Baltic Sea / Kaliningrad area1885
Acipenser ruthenusRussia / Baltic Sea / St. Petersburg area1763
Acipenser ruthenusSweden / Baltic Sea1887
Acipenser stellatusDenmark / Baltic Sea2010
Acipenser stellatusFinland1999
Acipenser stellatusGermany / Baltic SeaTo 2006
Acipenser transmontanusGermany / North SeaTo 1999
Acorus calamusIndia / Eastern Arabian2005
Acrochaetium catenulatumNetherlands1967
Acrochaetium kyliniiTurkey / Black Sea2000 - 2009
Acrochaetium leptonemaBulgaria2000 - 2009
Acrochaetium leptonemaTurkey / Black Sea2000 - 2009
Acrochaetium mahumetanumRomania1938
Acrochaetium mahumetanumTurkey / Black Sea2000 - 2009
Acrochaetium mediterraneumTurkey / Black Sea2000 - 2009
Acrochaetium microscopicumTurkey / Black Sea2000 - 2009
Acrochaetium moniliformeTurkey / Black Sea2000 - 2009
Acrochaetium pacificumAustralia / Bass strait1981
Acrochaetium rosulatumBulgaria1990 - 1999
Acrochaetium rosulatumTurkey / Black Sea2000 - 2009
Acrochaetium savianumNetherlands1960 - 1969
Acrochaetium subpinnatumTurkey / Black Sea2000 - 2009
Acromegalomma claparedeiItaly / Adriatic Sea1987
Acrothamnion preissiiFrance / Western Mediterranean1981
Acrothamnion preissiiItaly / Adriatic Sea2007
Acrothamnion preissiiItaly / Central Mediterranean1996
Acrothamnion preissiiItaly / Western Mediterranean1969
Acrothrix gracilisFrance / Western Mediterranean1993
Actaeodes tomentosusGreece / Eastern Mediterranean2013
Acteocina mucronataGreece / Eastern Mediterranean1991
Adelosina carinatastriataFrance / Biscay GulfTo 2007
Aeolidiella indicaItaly / Western Mediterranean1968
Aerococcus viridansIreland1961
Aerococcus viridansUnited Kingdom (Britain) / Celtic seas1985
Aeromonas salmonicida salmonicidaIceland1995
Aeromonas salmonicida salmonicidaNorway / Barents Sea1986
Aeromonas salmonicida salmonicidaNorway / North Sea1986
Aeromonas salmonicida salmonicidaNorway / Norwegian Sea1986
Aetea anguinaAustralia / Bass strait1887
Aetea anguinaSpain / Canary IslandsTo 2003
Aetea ligulataSpain / Canary IslandsTo 2003
Aetea longicollisSpain / Canary IslandsTo 2003
Aetea sicaSpain / Canary IslandsTo 2003
Aetea truncataSpain / Canary IslandsTo 2003
Afropinnotheres monodiPortugal / Iberian CoastalTo 2019
Afropinnotheres monodiSpain / Iberian Coastal1995
Agardhiella subulataFrance / Western Mediterranean1984
Agardhiella subulataItaly / Adriatic Sea2003
Agardhiella subulataItaly / Central Mediterranean1987
Agardhiella subulataItaly / Western Mediterranean2007
Agardhiella subulataNetherlands1998
Agarophyton vermiculophyllumBelgiumTo 2011
Agarophyton vermiculophyllumDenmark / Baltic Sea2003
Agarophyton vermiculophyllumDenmark / North Sea2005
Agarophyton vermiculophyllumFrance / Biscay Gulf2005
Agarophyton vermiculophyllumFrance / Celtic seas1996
Agarophyton vermiculophyllumFrance / English Channel1993
Agarophyton vermiculophyllumGermany / Baltic Sea2005
Agarophyton vermiculophyllumGermany / North Sea2002
Agarophyton vermiculophyllumIreland2012
Agarophyton vermiculophyllumItaly / Adriatic Sea2008
Agarophyton vermiculophyllumNetherlands1994
Agarophyton vermiculophyllumNorway / North Sea2012
Agarophyton vermiculophyllumPortugal / Iberian CoastalFrom 1989
Agarophyton vermiculophyllumSpain / Iberian CoastalTo 2003
Agarophyton vermiculophyllumSweden / North Sea2003
Aglaothamnion cordatumPortugal / Azores2005 - 2007
Aglaothamnion feldmanniaeFrance / Western Mediterranean1979
Aglaothamnion feldmanniaeItaly / Adriatic Sea2003
Aglaothamnion feldmanniaeItaly / Western Mediterranean1975
Aglaothamnion feldmanniaeUnited Kingdom (Britain) / English Channel 
Aglaothamnion halliaeDenmark / Baltic Sea2003
Aglaothamnion halliaeDenmark / North Sea2003
Aglaothamnion halliaeGermany / North Sea1960
Aglaothamnion halliaeItaly / Adriatic Sea2016
Aglaothamnion halliaeNorway / North Sea1980 - 1989
Aglaothamnion halliaeSweden / North Sea2003
Ahnfeltiopsis flabelliformisFrance / Western Mediterranean1995
Ahnfeltiopsis furcellataTurkey / Black Sea1990 - 1999
Aiptasia diaphanaPortugal / Madeira1994
Aiptasia pulchellaFrance / Biscay Gulf1973
Aiptasia pulchellaFrance / Celtic seas1974
Akashiwo sanguineaDenmark / Baltic Sea1983
Akashiwo sanguineaDenmark / North Sea1982
Alepes djedabaGreece / Central Mediterranean1987
Alepes djedabaGreece / Eastern Mediterranean1960
Alexandrium acatenellaUkraine / Black SeaFrom 2001
Alexandrium affineFrance / Biscay Gulf1987
Alexandrium affineFrance / English Channel1988
Alexandrium affineUkraine / Black SeaFrom 2001
Alexandrium catenellaAustralia / Bass strait1988
Alexandrium catenellaFrance / Western MediterraneanTo 1998
Alexandrium leeiDenmark / Baltic Sea2006
Alexandrium leeiDenmark / North Sea2006
Alexandrium leeiFrance / Biscay Gulf1993
Alexandrium leeiFrance / Celtic seas1995
Alexandrium leeiFrance / English Channel1993
Alexandrium leeiNetherlands1991
Alexandrium margalefiiDenmark / Baltic Sea2006
Alexandrium margalefiiDenmark / North Sea2006
Alexandrium minutumBulgaria2008
Alexandrium minutumDenmark / Baltic Sea1992
Alexandrium minutumDenmark / North Sea1998
Alexandrium minutumFrance / Biscay Gulf1985
Alexandrium minutumFrance / Celtic seas1985
Alexandrium minutumFrance / English ChannelTo 1988
Alexandrium minutumFrance / North Sea1990
Alexandrium minutumFrance / Western Mediterranean1988
Alexandrium minutumGermany / Baltic SeaTo 1993
Alexandrium minutumGermany / North Sea1990 - 1999
Alexandrium minutumNetherlandsTo 1992
Alexandrium minutumRussia / Black Sea2000
Alexandrium minutumSweden / North SeaTo 1996
Alexandrium minutumTurkey / Black Sea2002 - 2003
Alexandrium monilatumBulgaria1991
Alexandrium monilatumUkraine / Black Sea2001
Alexandrium ostenfeldiiDenmark / Baltic Sea1986
Alexandrium ostenfeldiiDenmark / North Sea1986
Alexandrium ostenfeldiiNetherlandsTo 2018
Alexandrium ostenfeldiiPoland2001
Alexandrium ostenfeldiiRussia / Black Sea2004
Alexandrium pseudogonyaulaxDenmark / Baltic Sea2007
Alexandrium pseudogonyaulaxDenmark / North Sea2007
Alexandrium pseudogonyaulaxGermany / Baltic SeaTo 2010
Alexandrium pseudogonyaulaxUkraine / Black SeaFrom 2002
Alexandrium tamarenseAustralia / Bass strait1993
Alexandrium tamarenseBulgaria2008
Alexandrium tamarenseDenmark / Baltic Sea1983
Alexandrium tamarenseDenmark / North Sea1983
Alexandrium tamarenseFaroe IslandsTo 2003
Alexandrium tamarenseFrance / Western MediterraneanTo 1998
Alexandrium tamarenseGermany / North SeaTo 1972
Alexandrium tamarenseIrelandTo 1986
Alexandrium tamarenseNetherlands1989
Alexandrium tamarenseNorway / North SeaTo 2001
Alexandrium tamarenseRomania2004
Alexandrium tamarenseRussia / Black Sea2004
Alexandrium tamarenseTurkey / Black Sea2007 - 2008
Alexandrium tamarenseUkraine / Black SeaFrom 2001
Alexandrium tayloriFrance / Biscay Gulf1994
Alexandrium tayloriFrance / Celtic seas1994
Alitta succineaAustralia / Bass strait1978
Alitta succineaDenmark / Baltic Sea1940
Alitta succineaDenmark / North Sea1940
Alitta succineaGermany / Baltic SeaTo 2016
Alitta succineaUnited Kingdom (Britain) / North Sea1959
Alitta virensGermany / Baltic Sea1920
Alitta virensGermany / North Sea1923
Alitta virensNetherlands1903
Alitta virensUnited Kingdom (Britain) / Celtic seas1800 - 1900
Alitta virensUnited Kingdom (Britain) / English Channel1800 - 1900
Alitta virensUnited Kingdom (Britain) / North Sea1800 - 1900
Alkmaria romijniDenmark / Baltic Sea1975
Alkmaria romijniDenmark / North Sea1929
Alkmaria romijniNetherlands1919
Alkmaria romijniNorway / North SeaTo 1997
Alkmaria romijniRussia / Baltic Sea / Kaliningrad area1996
Alkmaria romijniSweden / Baltic Sea1960 - 1972
Alloeocarpa loculosaPortugal / AzoresTo 1971
Allolepidapedon fistulariaItaly / Western Mediterranean2005
Alpheus dentipesBulgaria1966
Alpheus rapacidaGreece / Eastern Mediterranean1998
Amathia distansAustralia / Bass straitTo 1999
Amathia gracilisGermany / Baltic Sea1990 - 1999
Amathia gracilisGermany / North Sea1990 - 1999
Amathia gracilisNetherlandsTo 1969
Amathia gracilisUnited Kingdom (Britain) / Celtic seas / Channel Islands1960 - 1969
Amathia gracilisUnited Kingdom (Britain) / English Channel2002
Amathia gracilisUnited Kingdom (Britain) / North SeaTo 1996
Amathia imbricataGermany / Baltic SeaTo 2015
Amathia imbricataGermany / North SeaTo 2015
Amathia verticillataFrance / Western Mediterranean2015
Amathia verticillataGreece / Central Mediterranean1980
Amathia verticillataGreece / Eastern Mediterranean1969
Amathia verticillataItaly / Adriatic SeaTo 1867
Amathia verticillataItaly / Central Mediterranean1952
Amathia verticillataItaly / Western MediterraneanTo 1822
Amathia verticillataPortugal / Azores2009
Amathia verticillataPortugal / Madeira2008
Amathia verticillataSpain / Canary IslandsTo 2011
Amathia verticillataSpain / Iberian CoastalTo 2011
Amathia verticillataTaiwan / South China Sea2015
Ameira divagans divagansGermany / Baltic Sea1970
Ameira divagans divagansSweden / North Sea 
Ammonia tepidaFrance / Biscay Gulf1970
Ammonia tepidaFrance / Celtic seas1970
Ammonia tepidaFrance / English Channel1970
Ammonia tepidaFrance / North Sea1970
Ammothea hilgendorfiBelgium2013
Ammothea hilgendorfiFrance / Biscay Gulf2019
Ammothea hilgendorfiItaly / Adriatic Sea1979
Ammothea hilgendorfiNetherlands2013
Ammothea hilgendorfiUnited Kingdom (Britain) / English Channel1978
Ampelisca cavicoxaSpain / Iberian Coastal2005
Ampelisca heterodactylaPortugal / Iberian CoastalTo 1986
Ampelisca heterodactylaSpain / Iberian Coastal1993
Amphiascus tenuiremisUkraine / Black SeaFrom 1996
Amphibalanus amphitriteBelgiumTo 1952
Amphibalanus amphitriteFrance / Biscay Gulf1914
Amphibalanus amphitriteFrance / English Channel1928
Amphibalanus amphitriteFrance / North Sea1982
Amphibalanus amphitriteFrance / Western Mediterranean1973
Amphibalanus amphitriteGermany / North SeaTo 2002
Amphibalanus amphitriteNetherlands1962
Amphibalanus amphitritePortugal / AzoresTo 1889
Amphibalanus amphitritePortugal / Iberian Coastal1982
Amphibalanus amphitritePortugal / MadeiraTo 2005
Amphibalanus amphitriteRomania1844
Amphibalanus amphitriteSpain / Iberian CoastalTo 2016
Amphibalanus amphitriteUkraine / Black Sea1905
Amphibalanus eburneusFrance / Biscay Gulf1872
Amphibalanus eburneusFrance / Celtic seas1940
Amphibalanus eburneusFrance / Western Mediterranean1973
Amphibalanus eburneusGreece / Eastern Mediterranean1970
Amphibalanus eburneusItaly / Adriatic SeaFrom 1864
Amphibalanus eburneusItaly / Central MediterraneanTo 1864
Amphibalanus eburneusItaly / Western MediterraneanFrom 1864
Amphibalanus eburneusNetherlands1890 - 1899
Amphibalanus eburneusPortugal / AzoresTo 1998
Amphibalanus eburneusRussia / Caspian Sea1956
Amphibalanus eburneusSpain / Iberian CoastalTo 2016
Amphibalanus eburneusTurkey / Black Sea1968
Amphibalanus eburneusUkraine / Black SeaFrom 1892
Amphibalanus improvisusBelgiumTo 1700
Amphibalanus improvisusBulgaria1844
Amphibalanus improvisusDenmark / Baltic Sea1880
Amphibalanus improvisusDenmark / North Sea1880
Amphibalanus improvisusEstonia1801 - 1850
Amphibalanus improvisusFinland1801 - 1860
Amphibalanus improvisusFrance / Biscay GulfTo 1901
Amphibalanus improvisusFrance / Celtic seas1872
Amphibalanus improvisusFrance / English ChannelTo 1900
Amphibalanus improvisusGeorgia1978 - 1982
Amphibalanus improvisusGermany / Baltic Sea1867
Amphibalanus improvisusGermany / North Sea1858
Amphibalanus improvisusIrelandTo 1950
Amphibalanus improvisusItaly / Adriatic SeaTo 1951
Amphibalanus improvisusItaly / Central MediterraneanTo 1942
Amphibalanus improvisusItaly / Western Mediterranean1979
Amphibalanus improvisusLatvia1801 - 1889
Amphibalanus improvisusLithuania1844
Amphibalanus improvisusNetherlands1827
Amphibalanus improvisusNorway / North Sea1800 - 1809
Amphibalanus improvisusNorway / Norwegian Sea1800 - 1809
Amphibalanus improvisusPoland1844
Amphibalanus improvisusPortugal / Azores1887
Amphibalanus improvisusPortugal / Iberian Coastal1974
Amphibalanus improvisusRomania1844
Amphibalanus improvisusRussia / Baltic Sea / Kaliningrad area1801 - 1889
Amphibalanus improvisusRussia / Baltic Sea / St. Petersburg area1934
Amphibalanus improvisusSpain / Iberian Coastal1900
Amphibalanus improvisusSweden / Baltic Sea1844 - 1899
Amphibalanus improvisusSweden / North Sea1844 - 1919
Amphibalanus improvisusTurkey / Black Sea2005
Amphibalanus improvisusUkraine / Azov SeaFrom 1844
Amphibalanus improvisusUkraine / Black SeaFrom 1844
Amphibalanus improvisusUnited Kingdom (Britain) / Celtic seas1854
Amphibalanus improvisusUnited Kingdom (Britain) / North Sea1500 - 1854
Amphibalanus reticulatusBelgium1997
Amphibalanus reticulatusFrance / English Channel2001
Amphibalanus reticulatusFrance / North Sea2001
Amphibalanus reticulatusFrance / Western Mediterranean1977
Amphibalanus variegatusBelgium1997
Amphibalanus variegatusFrance / English Channel1997
Amphibalanus variegatusFrance / North Sea1997
Amphicorina pectinataSpain / Iberian CoastalTo 2017
Amphiroa rigidaTurkey / Black Sea1990 - 1999
Amphisbetia operculataAustralia / Bass strait1884
Amphisorus hemprichiiItaly / Central Mediterranean2005
Amphistegina lessoniiItaly / Central Mediterranean2005
Amphistegina lobiferaGreece / Central Mediterranean1955 - 1961
Amphistegina lobiferaGreece / Eastern Mediterranean1955 - 1961
Amphistegina lobiferaItaly / Central Mediterranean2005
Amphiura parviscutataAustralia / Bass strait1966
Amphogona pusillaItaly / Western Mediterranean1972
Amphorellopsis acutaRussia / Black Sea2010
Amphorellopsis acutaUkraine / Black Sea2011
Ampithoe validaFrance / Biscay Gulf2014
Ampithoe validaNetherlandsTo 2013
Ampithoe validaPortugal / Iberian Coastal1993
Anadara diluviiSpain / Iberian Coastal1996
Anadara inaequivalvisBulgaria1982
Anadara inaequivalvisGeorgia1978
Anadara inaequivalvisRomania1984
Anadara inaequivalvisRussia / Azov Sea1989
Anadara inaequivalvisRussia / Black Sea1980 - 1990
Anadara inaequivalvisTurkey / Black Sea1980 - 1990
Anadara inaequivalvisUkraine / Azov SeaFrom 1987
Anadara inaequivalvisUkraine / Black SeaFrom 1987
Anadara kagoshimensisItaly / Adriatic Sea1969
Anadara kagoshimensisSpain / Iberian Coastal1993 - 1994
Anadara kagoshimensisTurkey / Black Sea2003
Anadara transversaGreece / Eastern Mediterranean1993
Anadara transversaItaly / Adriatic Sea1970 - 1980
Anadara transversaItaly / Central Mediterranean2007
Anadara transversaItaly / Western Mediterranean2005
Anguillicoloides crassusBelgiumTo 1989
Anguillicoloides crassusDenmark / Baltic Sea1987 - 1989
Anguillicoloides crassusDenmark / North SeaTo 1985
Anguillicoloides crassusEstonia1989
Anguillicoloides crassusFinland2002
Anguillicoloides crassusFrance / Biscay Gulf1980
Anguillicoloides crassusFrance / English Channel1980
Anguillicoloides crassusFrance / North Sea1980
Anguillicoloides crassusGermany / Baltic Sea1960 - 1987
Anguillicoloides crassusGermany / North Sea1982
Anguillicoloides crassusIcelandTo 1997
Anguillicoloides crassusIreland1998
Anguillicoloides crassusItaly / Adriatic Sea1997
Anguillicoloides crassusItaly / Western Mediterranean2001 - 2011
Anguillicoloides crassusLatvia1998
Anguillicoloides crassusLithuania1998
Anguillicoloides crassusNetherlandsTo 1985
Anguillicoloides crassusNorway / North Sea1994
Anguillicoloides crassusPoland1988
Anguillicoloides crassusPortugal / Iberian Coastal1992
Anguillicoloides crassusRussia / Baltic Sea / Kaliningrad area1988
Anguillicoloides crassusSweden / Baltic Sea1987
Anguillicoloides crassusSweden / North Sea1989
Anguillicoloides crassusUnited Kingdom (Britain) / English ChannelFrom 1987
Anguillicoloides crassusUnited Kingdom (Britain) / North Sea1987
Anomia chinensisFrance / Biscay Gulf1971
Anomia chinensisFrance / Celtic seas1974
Anomia ephippiumNetherlands1935
Anoplodactylus californicusItaly / Western Mediterranean1965
Anotrichium furcellatumFrance / Celtic seas1922
Anotrichium furcellatumFrance / English ChannelTo 1922
Anotrichium furcellatumGreece / Eastern Mediterranean1971 - 1973
Anotrichium furcellatumNetherlands1950
Anotrichium furcellatumPortugal / Azores2005 - 2007
Anotrichium furcellatumPortugal / Iberian CoastalTo 1960
Anotrichium furcellatumPortugal / MadeiraTo 1970
Anotrichium furcellatumSpain / Canary IslandsTo 2004
Anotrichium furcellatumSpain / Iberian Coastal1979
Antennella secundariaAustralia / Bass strait1910
Anthopleura anjunaeSpain / Iberian CoastalTo 2016
Anthopleura elegantissimaSpain / Iberian CoastalTo 2016
Antithamnion amphigeneumFrance / Western MediterraneanTo 1998
Antithamnion amphigeneumItaly / Central Mediterranean2005
Antithamnion amphigeneumItaly / Western Mediterranean1996
Antithamnion amphigeneumPortugal / Iberian CoastalTo 2004
Antithamnion amphigeneumSpain / Iberian Coastal1995
Antithamnion densumFrance / Biscay Gulf1964
Antithamnion densumFrance / Celtic seas1964
Antithamnion densumFrance / English Channel1964
Antithamnion densumFrance / North Sea1981
Antithamnion densumIreland1991
Antithamnion densumPortugal / Azores2005
Antithamnion densumPortugal / Iberian Coastal2004
Antithamnion densumSpain / Canary IslandsTo 2006
Antithamnion densumSpain / Iberian Coastal1984 - 1995
Antithamnion diminuatumPortugal / Azores1989
Antithamnion diminuatumSpain / Canary IslandsTo 1996
Antithamnion hubbsiiFrance / Biscay Gulf2011
Antithamnion hubbsiiFrance / Western Mediterranean1988
Antithamnion hubbsiiNorway / North SeaTo 2007
Antithamnion nipponicumItaly / Adriatic Sea1994
Antithamnion nipponicumNorway / North Sea2007
Antithamnion nipponicumPortugal / Azores1989
Antithamnion nipponicumPortugal / Iberian CoastalFrom 2008
Antithamnion nipponicumUnited Kingdom (Britain) / North Sea / Orkney Islands2020
Antithamnion pectinatumFrance / Western Mediterranean1983
Antithamnion pectinatumPortugal / AzoresTo 1994
Antithamnion pectinatumPortugal / Iberian CoastalTo 2008
Antithamnionella boergeseniiFrance / Western Mediterranean1995
Antithamnionella boergeseniiItaly / Central Mediterranean1991 - 1992
Antithamnionella boergeseniiPortugal / Azores2005 - 2007
Antithamnionella boergeseniiPortugal / MadeiraFrom 2001
Antithamnionella elegansGreece / Central Mediterranean1975
Antithamnionella elegansGreece / Eastern Mediterranean2007
Antithamnionella elegansItaly / Adriatic Sea1980 - 1984
Antithamnionella elegansItaly / Central Mediterranean1970 - 1971
Antithamnionella elegansItaly / Western Mediterranean1822
Antithamnionella elegans var. sublittoralisItaly / Central Mediterranean1980
Antithamnionella spirographidisAustralia / Bass strait1976
Antithamnionella spirographidisBelgium1992
Antithamnionella spirographidisFrance / Biscay Gulf1975
Antithamnionella spirographidisFrance / Celtic seas1911
Antithamnionella spirographidisFrance / English Channel1927
Antithamnionella spirographidisFrance / Western Mediterranean2004
Antithamnionella spirographidisGermany / North Sea2012
Antithamnionella spirographidisGreece / Central Mediterranean1983
Antithamnionella spirographidisGreece / Eastern Mediterranean1992
Antithamnionella spirographidisIreland1969
Antithamnionella spirographidisItaly / Adriatic Sea1995
Antithamnionella spirographidisNetherlands1974
Antithamnionella spirographidisPortugal / Iberian Coastal2003 - 2008
Antithamnionella spirographidisPortugal / MadeiraTo 1974
Antithamnionella spirographidisSpain / Iberian Coastal1927
Antithamnionella spirographidisUnited Kingdom (Britain) / English ChannelTo 1911
Antithamnionella ternifoliaAustralia / Bass strait1977
Antithamnionella ternifoliaBelgium1970
Antithamnionella ternifoliaDenmark / Baltic Sea2014
Antithamnionella ternifoliaFrance / Biscay Gulf1969
Antithamnionella ternifoliaFrance / Celtic seas1910
Antithamnionella ternifoliaFrance / English Channel1910
Antithamnionella ternifoliaFrance / Western Mediterranean1981
Antithamnionella ternifoliaGermany / Baltic Sea2014
Antithamnionella ternifoliaGermany / North Sea1958
Antithamnionella ternifoliaIreland1930
Antithamnionella ternifoliaNetherlands1951
Antithamnionella ternifoliaNew Zealand / New Zealand Shelf / North IslandTo 1972
Antithamnionella ternifoliaNew Zealand / New Zealand Shelf / South IslandTo 1904
Antithamnionella ternifoliaPortugal / Azores1987
Antithamnionella ternifoliaPortugal / Iberian Coastal1958
Antithamnionella ternifoliaSpain / Iberian Coastal1920 - 1929
Antithamnionella ternifoliaUnited Kingdom (Britain) / English ChannelTo 1906
Antithamnionella ternifoliaUnited Kingdom (Britain) / North SeaTo 1999
Aoroides curvipesFrance / Biscay Gulf2009
Aoroides longimerusFrance / Biscay Gulf2013
Aoroides longimerusFrance / Celtic seas2014
Aoroides longimerusFrance / English Channel2014
Aoroides longimerusFrance / Western MediterraneanFrom 2015
Aoroides secundusFrance / Biscay GulfTo 2010
Aoroides semicurvatusFrance / Biscay Gulf2009
Aoroides semicurvatusFrance / English Channel2019
Aoroides semicurvatusNetherlands2017
Apedinella radiansBulgaria1987
Apedinella radiansRomania1991
Apedinella radiansUkraine / Black SeaFrom 1999
Aphelochaeta marioniDenmark / Baltic Sea1991
Aphelochaeta marioniDenmark / North Sea1984
Aphelochaeta marioniFrance / English Channel2001
Aphelochaeta marioniGermany / North Sea1938
Aphelochaeta marioniNetherlandsTo 1951
Aphelochaeta marioniUnited Kingdom (Britain) / North Sea / Orkney Islands1997
Aplidium accarenseItaly / Central Mediterranean2018
Aplidium accarenseItaly / Western MediterraneanTo 2015
Aplidium glabrumBelgiumTo 2018
Aplidium glabrumGermany / North Sea1992
Aplidium glabrumIreland2010
Aplidium glabrumNetherlandsTo 1977
Aplidium pallidumItaly / Western Mediterranean1913
Aplysia dactylomelaGreece / Central Mediterranean2005
Aplysia dactylomelaGreece / Eastern Mediterranean2005
Aplysia dactylomelaPortugal / MadeiraFrom 1987
Aplysilla roseaAustralia / Bass strait1981
Aplysiopsis formosaAustralia / Bass strait1994
Apoglossum gregariumFrance / Western MediterraneanTo 1996
Apoglossum gregariumItaly / Central Mediterranean1999
Apoglossum gregariumItaly / Western Mediterranean1992
Apogonichthyoides pharaonisGreece / Eastern Mediterranean1982
Aporrhais pespelecaniGeorgia1960
Aporrhais pespelecaniTurkey / Black Sea1896
Aporrhais pespelecaniUkraine / Black SeaFrom 1987
Arachnidium lacourtiGermany / Baltic SeaTo 2015
Arachnidium lacourtiGermany / North Sea2014
Arachnidium lacourtiNetherlandsTo 2005
Arachnoidea protectaItaly / Western Mediterranean1992
Arbopercula tenellaItaly / Central Mediterranean1990
Arbopercula tenellaItaly / Western MediterraneanTo 2011
Archesola typhlopsUkraine / Black Sea2007
Arcuatula senhousiaAustralia / Bass strait1980 - 1989
Arcuatula senhousiaFrance / Biscay Gulf1971
Arcuatula senhousiaFrance / Celtic seasTo 2008
Arcuatula senhousiaFrance / Western Mediterranean1982
Arcuatula senhousiaItaly / Adriatic Sea1994
Arcuatula senhousiaItaly / Central Mediterranean2001
Arcuatula senhousiaItaly / Western Mediterranean1999
Arcuatula senhousiaRomania2002
Arcuatula senhousiaSpain / Iberian CoastalTo 2012
Argopecten irradiansChina / Yellow Sea1982
Argopecten irradiansKorea, Democratic Peoples Republic of / Sea of JapanTo 2013
Argopecten irradiansKorea, Republic of / Sea of JapanTo 2013
Aricidea hartmaniCanada / Hudson Bay ComplexTo 2010
Arietellus pavoninusGreece / Eastern Mediterranean1967
Artemia franciscanaFrance / Biscay Gulf1800 - 1899
Artemia franciscanaItaly / Adriatic Sea2004
Artemia franciscanaPortugal / Iberian CoastalTo 1980
Artemia franciscanaPortugal / Madeira1997
Artemia franciscanaSpain / Iberian CoastalTo 2002
Ascidia interruptaPortugal / AzoresTo 1992
Ascidiella aspersaAustralia / Bass straitTo 1985
Ascidiella aspersaCanada / South-eastern Scotian Shelf2012
Ascidiella aspersaGreece / Eastern Mediterranean1901
Ascidiella aspersaIceland2018
Ascidiella aspersaUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Ascidiella scabraUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Ascophyllum nodosumItaly / Central Mediterranean2009
Asparagopsis armataFrance / Biscay Gulf1925
Asparagopsis armataFrance / Celtic seas1922
Asparagopsis armataFrance / English Channel1999
Asparagopsis armataFrance / Western Mediterranean1926
Asparagopsis armataGreece / Central Mediterranean2010
Asparagopsis armataGreece / Eastern Mediterranean2010
Asparagopsis armataIreland1939
Asparagopsis armataItaly / Adriatic SeaTo 1978
Asparagopsis armataItaly / Central MediterraneanTo 1972
Asparagopsis armataItaly / Western MediterraneanTo 1955
Asparagopsis armataNetherlandsTo 1983
Asparagopsis armataPortugal / Azores1989
Asparagopsis armataPortugal / Iberian Coastal1951
Asparagopsis armataPortugal / MadeiraTo 1974
Asparagopsis armataSpain / Canary IslandsTo 1980
Asparagopsis armataSpain / Iberian Coastal1933
Asparagopsis armataTurkey / Black Sea1973
Asparagopsis armataUnited Kingdom (Britain) / Celtic seas / Channel Islands1949
Asparagopsis armataUnited Kingdom (Britain) / English Channel1949 - 1950
Asparagopsis armataUnited Kingdom (Britain) / North Sea1973
Asparagopsis armataUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 1960
Asparagopsis taxiformisFrance / Western MediterraneanTo 2006
Asparagopsis taxiformisPortugal / Azores1929
Asparagopsis taxiformisPortugal / Iberian CoastalTo 2000
Asparagopsis taxiformis lineage 2Greece / Adriatic Sea2013
Asparagopsis taxiformis lineage 2Greece / Central Mediterranean2006
Asparagopsis taxiformis lineage 2Greece / Eastern Mediterranean1992
Asparagopsis taxiformis lineage 2Italy / Central Mediterranean1992
Asparagopsis taxiformis lineage 2Italy / Western Mediterranean1993
Asperococcus ensiformisAustralia / Bass strait1976
Asperococcus scaberNetherlands1998
Aspidosiphon mexicanusGreece / Central Mediterranean1994
Aspidosiphon mexicanusGreece / Eastern Mediterranean1991
Asterias amurensisAustralia / Bass strait1995
Asterias rubensTurkey / Black Sea2003
Asterionellopsis glacialisNetherlandsTo 2018
Asterionellopsis glacialisRomania1968
Asterionellopsis glacialisRussia / Black Sea1998
Asterionellopsis glacialisUkraine / Black SeaFrom 1967
Asterocarpa humilisFrance / Biscay GulfTo 2013
Asterocarpa humilisFrance / English Channel2005
Asterocarpa humilisUnited Kingdom (Britain) / Celtic seas2013
Asterocarpa humilisUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Asteromphalus sarcophagusFrance / Biscay GulfTo 2003
Asteromphalus sarcophagusFrance / Celtic seas2003
Asteromphalus sarcophagusFrance / English Channel2001
Asthenognathus atlanticusFrance / English Channel2008
Asthenognathus atlanticusNetherlands2019
Atergatis roseusGreece / Eastern Mediterranean2009
Atherina boyeriNetherlandsTo 1964
Atherina boyeriUnited Kingdom (Britain) / Celtic seas1956
Atherinomorus forskaliiGreece / Central Mediterranean2012
Atherinomorus forskaliiGreece / Eastern Mediterranean1986
Atrina rigidaUnited Kingdom (Britain) / English Channel1986
Attheya armataUnited Kingdom (Britain) / Celtic seas2000
Attheya decoraUkraine / Black Sea2000
Atyaephyra desmarestiBelgiumTo 1895
Atyaephyra desmarestiGermany / North Sea1932
Aurelia auritaRussia / Caspian Sea1999
Aurelia coeruleaFrance / Western Mediterranean2002
Aurelia coeruleaItaly / Adriatic Sea2011
Aurelia coeruleaItaly / Western MediterraneanTo 2016
Aurelia solidaFrance / Western Mediterranean2002
Aurelia solidaItaly / Adriatic Sea2005 - 2010
Aurelia solidaItaly / Central Mediterranean2013
Auriculinella bidentataGermany / North Sea1997
Austrominius modestusBelgium1950
Austrominius modestusDenmark / North Sea1978
Austrominius modestusFrance / Biscay Gulf1953
Austrominius modestusFrance / Celtic seas1953
Austrominius modestusFrance / English Channel1953
Austrominius modestusFrance / North Sea1950
Austrominius modestusFrance / Western Mediterranean1990 - 1999
Austrominius modestusGermany / North Sea1953
Austrominius modestusIreland1957
Austrominius modestusNetherlands1946
Austrominius modestusPortugal / Iberian CoastalFrom 1956
Austrominius modestusPortugal / MadeiraTo 2005
Austrominius modestusSpain / Iberian CoastalTo 2006
Austrominius modestusSweden / North Sea 
Austrominius modestusUnited Kingdom (Britain) / English Channel1940 - 1945
Austrominius modestusUnited Kingdom (Britain) / North SeaFrom 1945
Austrominius modestusUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2017
Autonoe spiniventrisSpain / Iberian CoastalTo 2005
Axionice medusaGreece / Central Mediterranean1980
Axionice medusaGreece / Eastern Mediterranean1975
Axionice medusaItaly / Central Mediterranean1985
Azadinium spinosumBulgaria2005
Azolla carolinianaUkraine / Black Sea1970 - 1979
Azolla filiculoidesUkraine / Black Sea1970 - 1979
Babka gymnotrachelusPoland2007
Bacteriastrum hyalinumBulgaria1907
Bacteriastrum hyalinumDenmark / Baltic Sea1983
Bacteriastrum hyalinumDenmark / North Sea1983
Bacteriastrum hyalinumRomania1907
Bacteriastrum hyalinumUkraine / Black SeaFrom 1907
Balanus amphitriteAustralia / Bass straitTo 1999
Balanus amphitriteBelgium1952
Balanus amphitriteFrance / Biscay Gulf1914
Balanus amphitriteFrance / Celtic seas1914
Balanus amphitriteGermany / North Sea2002
Balanus amphitriteIrelandTo 1986
Balanus amphitriteNetherlands1962
Balanus amphitritePortugal / Iberian CoastalTo 1854
Balanus amphitriteSpain / Iberian Coastal1934
Balanus amphitriteSweden / North Sea 
Balanus amphitriteUkraine / Black SeaFrom 1905
Balanus amphitriteUnited Kingdom (Britain) / English ChannelFrom 1937
Balanus glandulaBelgium2015
Balanus trigonusBelgium1997
Balanus trigonusFrance / Biscay Gulf2007
Balanus trigonusFrance / Celtic seasTo 2007
Balanus trigonusFrance / English Channel2007
Balanus trigonusGreece / Eastern Mediterranean1970
Balanus trigonusItaly / Adriatic Sea1964
Balanus trigonusItaly / Central MediterraneanTo 1927
Balanus trigonusItaly / Western MediterraneanTo 1962
Balanus trigonusPortugal / AzoresTo 1887
Balanus trigonusPortugal / Iberian CoastalTo 2013
Balanus trigonusPortugal / MadeiraTo 1916
Balanus trigonusSpain / Iberian CoastalTo 2007
Balanus trigonusUnited Kingdom (Britain) / English Channel1986
Bangia atropurpureaAustralia / Bass strait1971
Bankia carinataGreece / Eastern Mediterranean2008 - 2013
Bankia fimbriatulaIreland1847
Barentsia benedeniRussia / Caspian Sea1962
Barentsia ramosaNetherlands2003
Beania maxilladentataPortugal / MadeiraTo 2013
Beania mirabilisSpain / Canary IslandsTo 2003
Bedeva paivaePortugal / MadeiraTo 1994
Bedeva paivaeSpain / Canary IslandsTo 2003
Bellamya chinensisNetherlands2009
Bemlos leptocheirusGreece / Eastern Mediterranean2015
Beroe cucumisTurkey / Black SeaFrom 1992
Beroe ovataBulgaria1997
Beroe ovataDenmark / Baltic Sea2011
Beroe ovataDenmark / North Sea2013
Beroe ovataGeorgia1996
Beroe ovataGreece / Eastern Mediterranean2004
Beroe ovataItaly / Adriatic Sea2005
Beroe ovataRomania1996
Beroe ovataRussia / Black Sea1999
Beroe ovataSweden / North Sea2019
Beroe ovataTurkey / Black Sea1996
Beroe ovataUkraine / Azov SeaFrom 1997
Beroe ovataUkraine / Black SeaFrom 1997
Beryx splendensFrance / Western Mediterranean1992
Biflustra grandicellaNetherlands2016
Bispira fabriciiFrance / English Channel2010
Bispira polyommaItaly / Adriatic Sea2014
Bispira polyommaNetherlandsTo 2010
Biuve fulvipunctataItaly / Central Mediterranean2015
Bivetiella cancellataSpain / Iberian Coastal1999
Blackfordia virginicaBulgaria1925
Blackfordia virginicaFrance / Biscay Gulf1953
Blackfordia virginicaFrance / Celtic seas1971
Blackfordia virginicaFrance / English Channel1973
Blackfordia virginicaGermany / Baltic Sea2014
Blackfordia virginicaIran / Caspian SeaFrom 1956
Blackfordia virginicaNetherlands2014
Blackfordia virginicaPortugal / Iberian Coastal1984
Blackfordia virginicaRomania1940
Blackfordia virginicaRussia / Azov Sea1930
Blackfordia virginicaSpain / Iberian CoastalTo 2008
Blackfordia virginicaUkraine / Black Sea1960 - 1969
Boccardia polybranchiaFrance / Biscay Gulf1900
Boccardia polybranchiaFrance / Celtic seas2004
Boccardia polybranchiaFrance / English Channel1893
Boccardia polybranchiaFrance / North Sea1893
Boccardia proboscideaAustralia / Bass strait1978
Boccardia proboscideaBelgiumTo 2011
Boccardia proboscideaFrance / Biscay Gulf2013
Boccardia proboscideaFrance / English Channel1999
Boccardia proboscideaFrance / North Sea2014
Boccardia proboscideaGermany / North Sea2008
Boccardia proboscideaNetherlands2013
Boccardia proboscideaSpain / Iberian Coastal1996
Boccardia proboscideaUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Boccardia semibranchiataFrance / Biscay Gulf1999
Boccardia semibranchiataFrance / Celtic seas1999
Boccardia semibranchiataFrance / English Channel1999
Boccardia semibranchiataFrance / North Sea1999
Boccardia semibranchiataSpain / Iberian CoastalTo 2003
Boccardiella hamataBelgiumTo 2018
Boccardiella hamataNetherlandsTo 2013
Boccardiella ligericaBelgium1962
Boccardiella ligericaFinland1960 - 1969
Boccardiella ligericaFrance / English ChannelTo 1960
Boccardiella ligericaFrance / North SeaTo 1960
Boccardiella ligericaGermany / Baltic Sea1932
Boccardiella ligericaGermany / North SeaTo 2000
Boccardiella ligericaLatvia2014
Boccardiella ligericaNetherlandsTo 1919
Boccardiella ligericaSweden / Baltic Sea2013
Bolinopsis vitreaBulgaria2010
Bolinopsis vitreaTurkey / Black Sea2007
Bonamia exitiosaFrance / English Channel1981
Bonamia exitiosaSpain / Iberian Coastal2007
Bonamia ostreaeBelgiumFrom 1979
Bonamia ostreaeDenmark / North Sea2014
Bonamia ostreaeFrance / Biscay Gulf1979
Bonamia ostreaeFrance / Celtic seas1979
Bonamia ostreaeFrance / North Sea1981
Bonamia ostreaeFrance / Western Mediterranean1987
Bonamia ostreaeIrelandTo 1986
Bonamia ostreaeNetherlands1980
Bonamia ostreaeSpain / Iberian Coastal1982
Bonamia ostreaeUnited Kingdom (Britain) / Celtic seas / Channel IslandsFrom 1982
Bonamia ostreaeUnited Kingdom (Britain) / English Channel1982
Bonamia ostreaeUnited Kingdom (Britain) / North Sea1982 - 1983
Bonnemaisonia asparagoidesTurkey / Black Sea1990 - 1999
Bonnemaisonia hamiferaBelgiumTo 1999
Bonnemaisonia hamiferaDenmark / Baltic Sea1900
Bonnemaisonia hamiferaDenmark / North Sea1904
Bonnemaisonia hamiferaFaroe Islands1980
Bonnemaisonia hamiferaFrance / Biscay Gulf1996
Bonnemaisonia hamiferaFrance / Celtic seas1898
Bonnemaisonia hamiferaFrance / English Channel1901
Bonnemaisonia hamiferaGermany / North Sea1890 - 1899
Bonnemaisonia hamiferaIceland1978
Bonnemaisonia hamiferaIreland1911
Bonnemaisonia hamiferaItaly / Adriatic Sea1995
Bonnemaisonia hamiferaItaly / Central Mediterranean1973
Bonnemaisonia hamiferaNetherlandsTo 1983
Bonnemaisonia hamiferaNorway / Barents Sea1902
Bonnemaisonia hamiferaNorway / North Sea1902
Bonnemaisonia hamiferaNorway / Norwegian Sea1902
Bonnemaisonia hamiferaPortugal / Azores1989
Bonnemaisonia hamiferaPortugal / Iberian Coastal2003 - 2008
Bonnemaisonia hamiferaSpain / Canary IslandsTo 1980
Bonnemaisonia hamiferaSpain / Iberian CoastalTo 2006
Bonnemaisonia hamiferaSweden / North Sea1902
Bonnemaisonia hamiferaUnited Kingdom (Britain) / Celtic seas / Channel IslandsFrom 1890
Bonnemaisonia hamiferaUnited Kingdom (Britain) / English ChannelFrom 1890
Bonnemaisonia hamiferaUnited Kingdom (Britain) / North Sea1893 - 1986
Bonnemaisonia hamiferaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1960
Botrylloides diegensisFrance / Biscay Gulf2007
Botrylloides diegensisFrance / English Channel1999
Botrylloides diegensisFrance / Western Mediterranean2012
Botrylloides diegensisItaly / Adriatic Sea2015
Botrylloides giganteusItaly / Central Mediterranean2003
Botrylloides leachiiAustralia / Bass strait1901
Botrylloides leachiiSpain / Canary IslandsTo 2003
Botrylloides leachiiUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Botrylloides violaceusBelgium2004
Botrylloides violaceusCanada / Bay of Fundy2009
Botrylloides violaceusCanada / Northern Gulf of St. Lawrence2014
Botrylloides violaceusCanada / Northern Newfoundland2007
Botrylloides violaceusCanada / South-eastern Scotian Shelf2001
Botrylloides violaceusCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2004
Botrylloides violaceusCanada / Southern Newfoundland and Southern Grand Banks2007
Botrylloides violaceusFrance / Biscay GulfTo 2000
Botrylloides violaceusFrance / English Channel2000
Botrylloides violaceusFrance / North Sea2004
Botrylloides violaceusGermany / North Sea2011
Botrylloides violaceusIceland2018
Botrylloides violaceusIreland2005
Botrylloides violaceusItaly / Adriatic Sea1993
Botrylloides violaceusNetherlands2000
Botrylloides violaceusPortugal / Iberian CoastalFrom 2009
Botrylloides violaceusSpain / Iberian CoastalTo 2016
Botrylloides violaceusUnited Kingdom (Britain) / Celtic seas / Channel IslandsFrom 2004
Botrylloides violaceusUnited Kingdom (Britain) / English Channel2004
Botrylloides violaceusUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2012
Botryllus gaiaeItaly / Adriatic Sea2013
Botryllus gaiaeItaly / Central Mediterranean2013
Botryllus gaiaeItaly / Western Mediterranean2006
Botryllus schlosseriAustralia / Bass strait1977
Botryllus schlosseriCanada / Bay of Fundy1970 - 1979
Botryllus schlosseriCanada / Northern Gulf of St. Lawrence1975
Botryllus schlosseriCanada / Northern Newfoundland2007
Botryllus schlosseriCanada / South-eastern Scotian Shelf1950 - 1959
Botryllus schlosseriCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2001
Botryllus schlosseriCanada / Southern Newfoundland and Southern Grand Banks1940 - 1949
Botryllus schlosseriGermany / Baltic SeaTo 2015
Botryllus schlosseriGermany / North SeaTo 2016
Botryllus schlosseriGreece / Eastern Mediterranean1955
Botryllus schlosseriIceland2011
Botryllus schlosseriItaly / Adriatic SeaTo 2004
Botryllus schlosseriItaly / Central MediterraneanTo 2011
Botryllus schlosseriItaly / Western MediterraneanTo 2005
Botryllus schlosseriPortugal / AzoresTo 1971
Botryllus schlosseriPortugal / Iberian CoastalTo 1970
Botryllus schlosseriPortugal / MadeiraTo 2006
Botryllus schlosseriSpain / Canary IslandsTo 2003
Botryllus schlosseriUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Botryocladia madagascariensisGreece / Central Mediterranean2009
Botryocladia madagascariensisGreece / Eastern Mediterranean2006
Botryocladia madagascariensisItaly / Adriatic Sea1997
Botryocladia madagascariensisItaly / Central Mediterranean1991
Botrytella micromoraAustralia / Bass strait1970
Botrytella parvaItaly / Adriatic Sea1996
Botrytella sp.Netherlands1919
Bougainvillia maclovianaGermany / North Sea1895
Bougainvillia maclovianaPortugal / AzoresTo 1989
Bougainvillia megasBulgaria1933
Bougainvillia megasIran / Caspian SeaFrom 1956
Bougainvillia megasRussia / Azov Sea1950
Bougainvillia megasUkraine / Black SeaFrom 1960
Bougainvillia muscusAustralia / Bass strait1971
Bougainvillia rugosaDenmark / Baltic Sea1960 - 1969
Bougainvillia rugosaDenmark / North Sea1960 - 1969
Bougainvillia rugosaSweden / North Sea 
Brachidontes exustusIreland1977
Brachidontes exustusUnited Kingdom (Britain) / Celtic seas1977
Brachidontes pharaonisFrance / Western Mediterranean1989
Brachidontes pharaonisGreece / Eastern Mediterranean1975
Brachidontes pharaonisItaly / Central Mediterranean1969
Brachidontes pharaonisItaly / Western Mediterranean1998
Brachynotus sexdentatusFrance / Biscay Gulf1997
Brachynotus sexdentatusFrance / English ChannelTo 1963
Branchiodrilus hortensisBelgiumTo 2010
Branchiodrilus hortensisNetherlandsTo 2002
Branchiomma bairdiGreece / Eastern Mediterranean2014
Branchiomma bairdiItaly / Central Mediterranean2016
Branchiomma bairdiItaly / Western Mediterranean2015
Branchiomma bairdiPortugal / Madeira2013
Branchiomma bairdiSpain / Canary Islands2012
Branchiomma boholenseItaly / Adriatic Sea2011 - 2012
Branchiomma boholenseItaly / Central Mediterranean2007
Branchiomma boholenseItaly / Western Mediterranean2004
Branchiomma bombyxNetherlands1973
Branchiomma luctuosumGreece / Eastern Mediterranean1989
Branchiomma luctuosumItaly / Central Mediterranean1998 - 1999
Branchiomma luctuosumItaly / Western Mediterranean1978 - 1979
Branchiura sowerbyiBelgiumTo 1931
Branchiura sowerbyiGermany / Baltic SeaTo 1959
Branchiura sowerbyiGermany / North Sea1961
Branchiura sowerbyiPoland1976
Branchiura sowerbyiPortugal / Azores2008
Brania arminiiSpain / Iberian CoastalTo 1998
Bregmaceros nectabanusGreece / Central Mediterranean2016
Bregmaceros nectabanusGreece / Eastern Mediterranean2014
Bregmaceros nectabanusItaly / Adriatic Sea2019
Bryopsis plumosaAustralia / Bass strait1966
Bugula avirostrisSpain / Canary IslandsTo 2003
Bugula dentataPortugal / AzoresTo 1997
Bugula dentataPortugal / Madeira1909
Bugula neritinaAustralia / Bass strait1881
Bugula neritinaBelgium1999
Bugula neritinaFrance / Biscay Gulf2001
Bugula neritinaFrance / Celtic seas1966
Bugula neritinaFrance / English Channel2002
Bugula neritinaFrance / North Sea1973
Bugula neritinaFrance / Western Mediterranean1900
Bugula neritinaGermany / North Sea2010
Bugula neritinaIrelandTo 2006
Bugula neritinaNetherlands2007
Bugula neritinaPortugal / Azores2001
Bugula neritinaPortugal / Iberian Coastal2004
Bugula neritinaPortugal / MadeiraTo 2012
Bugula neritinaSpain / Canary IslandsTo 2003
Bugula neritinaSpain / Iberian Coastal2003
Bugula neritinaUnited Kingdom (Britain) / Celtic seasTo 1912
Bugula neritinaUnited Kingdom (Britain) / English ChannelTo 1912
Bugulina calathusAustralia / Bass strait1978
Bugulina flabellataAustralia / Bass strait1982
Bugulina flabellataNew Zealand / New Zealand Shelf / North IslandTo 1949
Bugulina flabellataNew Zealand / New Zealand Shelf / South IslandTo 1949
Bugulina fulvaGreece / Eastern Mediterranean1996
Bugulina fulvaIreland2012
Bugulina fulvaPortugal / Iberian Coastal1960
Bugulina fulvaSpain / Canary IslandsTo 2003
Bugulina fulvaUnited Kingdom (Britain) / North Sea / Orkney Islands2012
Bugulina simplexAustralia / Bass strait1982
Bugulina simplexBelgium2000
Bugulina simplexFrance / Biscay Gulf1994
Bugulina simplexFrance / English Channel2002
Bugulina simplexFrance / North Sea2000
Bugulina simplexIreland2011
Bugulina simplexNetherlands2000
Bugulina simplexPortugal / AzoresTo 1998
Bugulina simplexPortugal / Madeira2013
Bugulina simplexUnited Kingdom (Britain) / Celtic seas1957
Bugulina simplexUnited Kingdom (Britain) / North Sea / Orkney Islands2014
Bugulina stoloniferaAustralia / Bass strait1880 - 1889
Bugulina stoloniferaBelgium1999
Bugulina stoloniferaFrance / Biscay GulfTo 1994
Bugulina stoloniferaFrance / English Channel1970
Bugulina stoloniferaFrance / North Sea1970
Bugulina stoloniferaFrance / Western Mediterranean2002
Bugulina stoloniferaGermany / North SeaTo 1987
Bugulina stoloniferaNetherlands1993
Bugulina stoloniferaPortugal / AzoresTo 1998
Bugulina stoloniferaPortugal / Iberian Coastal2004
Bugulina stoloniferaPortugal / MadeiraTo 2010
Bugulina stoloniferaSpain / Canary IslandsTo 2003
Bugulina stoloniferaUnited Kingdom (Britain) / Celtic seas1950 - 1959
Bugulina stoloniferaUnited Kingdom (Britain) / English Channel1950 - 1959
Bugulina stoloniferaUnited Kingdom (Britain) / North SeaTo 2005
Bulinus contortusSpain / Iberian Coastal1999
Bulla arabicaGreece / Eastern Mediterranean1998
Bursatella leachiiGreece / Central Mediterranean2003
Bursatella leachiiGreece / Eastern Mediterranean1975
Bursatella leachiiItaly / Adriatic Sea1981
Bursatella leachiiItaly / Central Mediterranean1968 - 1973
Bursatella leachiiItaly / Western Mediterranean1975 - 1976
Bythocaris cosmetopsFrance / Biscay Gulf2002
Bythocaris cosmetopsFrance / Celtic seas2002
Calanopia ellipticaGreece / Eastern Mediterranean1988
Calanopia ellipticaItaly / Western MediterraneanTo 1892
Calanus euxinusRussia / Caspian Sea2004
Calappa peliiGreece / Central Mediterranean2005
Calappa peliiGreece / Eastern Mediterranean2005
Caligus pagetiIreland1986
Callinectes danaeItaly / Adriatic Sea1981
Callinectes sapidusBelgium1981
Callinectes sapidusBulgaria1967
Callinectes sapidusDenmark / Baltic Sea1951
Callinectes sapidusDenmark / North Sea1951
Callinectes sapidusFrance / Biscay Gulf1901
Callinectes sapidusFrance / Celtic seas1901
Callinectes sapidusFrance / Western MediterraneanTo 1962
Callinectes sapidusGeorgia1975
Callinectes sapidusGermany / North Sea1964
Callinectes sapidusGreece / Adriatic Sea2013
Callinectes sapidusGreece / Central Mediterranean1990 - 1999
Callinectes sapidusGreece / Eastern Mediterranean1947
Callinectes sapidusItaly / Adriatic Sea1949
Callinectes sapidusItaly / Central Mediterranean1970
Callinectes sapidusItaly / Western Mediterranean1962
Callinectes sapidusNetherlands1932
Callinectes sapidusPoland2018
Callinectes sapidusPortugal / Iberian Coastal1978
Callinectes sapidusRomania1998
Callinectes sapidusRussia / Azov Sea1967
Callinectes sapidusRussia / Black Sea1970 - 1979
Callinectes sapidusSpain / Iberian Coastal2004
Callinectes sapidusTurkey / Black SeaFrom 1974
Callinectes sapidusUkraine / Azov Sea1970 - 1979
Callinectes sapidusUkraine / Black Sea1970 - 1979
Callinectes sapidusUnited Kingdom (Britain) / North Sea1982
Callionymus filamentosusGreece / Central Mediterranean2016
Callionymus filamentosusGreece / Eastern Mediterranean2003
Calliostoma zizyphinumNetherlands2001
Callyspongia pergamentaceaAustralia / Bass strait1895
Callyspongia siphonellaSpain / Iberian CoastalTo 2016
Calocalanus plumulosusRomania1978
Calyptraea chinensisFrance / English ChannelTo 1977
Calyptraea chinensisFrance / North SeaTo 1976
Calyptraea chinensisIreland1949 - 1956
Calyptraea chinensisNetherlandsTo 1942
Calyptraea chinensisUnited Kingdom (Britain) / Celtic seas1957
Cancer irroratusIceland2006
Cancer irroratusSweden / North Sea2019
Caprella equilibraAustralia / Bass strait1885
Caprella muticaBelgium1998
Caprella muticaCanada / Bay of Fundy2002
Caprella muticaCanada / Northern Gulf of St. Lawrence2016
Caprella muticaCanada / Northern Newfoundland2012
Caprella muticaCanada / South-eastern Scotian Shelf2003
Caprella muticaCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1998
Caprella muticaCanada / Southern Newfoundland and Southern Grand Banks2010
Caprella muticaDenmark / Baltic Sea2017
Caprella muticaDenmark / North Sea2005
Caprella muticaFrance / Biscay Gulf2004
Caprella muticaFrance / North Sea2004
Caprella muticaGermany / North Sea2004
Caprella muticaIrelandTo 2003
Caprella muticaNetherlands1993
Caprella muticaNorway / North Sea1999
Caprella muticaNorway / Norwegian SeaTo 2012
Caprella muticaSpain / Iberian Coastal2012 - 2013
Caprella muticaSweden / North Sea2011
Caprella muticaUnited Kingdom (Britain) / Celtic seas2000
Caprella muticaUnited Kingdom (Britain) / English Channel2000
Caprella muticaUnited Kingdom (Britain) / North Sea2002
Caprella muticaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2006
Caprella penantisAustralia / Bass strait1975
Caprella scauraAustralia / Bass strait1971
Caprella scauraFrance / Western Mediterranean2014
Caprella scauraGreece / Central Mediterranean2002
Caprella scauraGreece / Eastern Mediterranean2012
Caprella scauraItaly / Adriatic Sea1994
Caprella scauraItaly / Central Mediterranean1989 - 1990
Caprella scauraItaly / Western Mediterranean2003 - 2004
Caprella scauraNetherlandsTo 2016
Caprella scauraPortugal / Azores2015
Caprella scauraPortugal / Iberian CoastalTo 1985
Caprella scauraPortugal / MadeiraTo 2014
Caprella scauraSpain / Canary Islands2009
Caprella scauraSpain / Iberian CoastalTo 2011
Carassius auratusDenmark / Baltic Sea1990
Carassius auratusDenmark / North Sea2012
Carassius gibelioEstonia1948
Carassius gibelioFinland2001 - 2005
Carassius gibelioLatvia1948
Carassius gibelioLithuania1601 - 1700
Carassius gibelioPoland1930 - 1933
Carassius gibelioRussia / Baltic Sea / St. Petersburg area2005
Carassius gibelioSweden / Baltic Sea1800 - 1997
Carbosphaerella leptosphaerioidesUkraine / Black Sea1991
Carcinus maenasAustralia / Bass strait1802 - 1851
Carcinus maenasCanada / Bay of Fundy1951
Carcinus maenasCanada / Northern Gulf of St. Lawrence2008
Carcinus maenasCanada / South-eastern Scotian Shelf1954
Carcinus maenasCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1994
Carcinus maenasCanada / Southern Newfoundland and Southern Grand Banks2007
Carpobrotus acinaciformisSpain / Iberian CoastalTo 1900
Carupa tenuipesGreece / Eastern Mediterranean2009
Cassiopea andromedaGreece / Central Mediterranean2018
Cassiopea andromedaGreece / Eastern Mediterranean1942
Cassiopea andromedaItaly / Western Mediterranean2014
Catostomus catostomusFinland1980 - 1984
Catostomus catostomusRussia / Baltic Sea / St. Petersburg area1980 - 1984
Caulacanthus okamuraeItaly / Adriatic Sea2018 - 2020
Caulacanthus okamuraeItaly / Central Mediterranean2018
Caulacanthus okamuraeNetherlands2018
Caulacanthus ustulatusBelgiumTo 2011
Caulacanthus ustulatusFrance / Biscay Gulf2005
Caulacanthus ustulatusFrance / Celtic seas1986
Caulacanthus ustulatusFrance / English Channel1986
Caulacanthus ustulatusNetherlandsTo 2018
Caulacanthus ustulatusPortugal / Azores1897
Caulacanthus ustulatusUnited Kingdom (Britain) / English Channel2004
Caulerpa cylindraceaFrance / Western Mediterranean1997
Caulerpa cylindraceaGreece / Adriatic Sea2013
Caulerpa cylindraceaGreece / Central Mediterranean1993
Caulerpa cylindraceaGreece / Eastern Mediterranean1996
Caulerpa cylindraceaItaly / Adriatic Sea2000
Caulerpa cylindraceaItaly / Central Mediterranean1993
Caulerpa cylindraceaItaly / Western Mediterranean1994
Caulerpa cylindraceaSpain / Canary IslandsTo 1989
Caulerpa racemosa var. lamourouxii f. requieniiGreece / Central Mediterranean2009
Caulerpa racemosa var. lamourouxii f. requieniiGreece / Eastern Mediterranean1956
Caulerpa taxifoliaFrance / Western Mediterranean1984 - 1987
Caulerpa taxifoliaItaly / Central Mediterranean1993
Caulerpa taxifoliaItaly / Western Mediterranean1992
Caulerpa taxifolia var. distichophyllaGreece / Eastern Mediterranean2010
Caulerpa taxifolia var. distichophyllaItaly / Central Mediterranean2008
Caulerpa taxifolia var. distichophyllaItaly / Western Mediterranean2012
Caulerpa webbianaPortugal / Azores2002
Caulerpa webbianaPortugal / MadeiraFrom 1974
Caulibugula arcasounensisFrance / Biscay Gulf2001
Caulibugula zanzibarensisFrance / Biscay GulfTo 2003
Celleporaria albirostrisAustralia / Bass strait1888
Celleporaria brunneaFrance / Biscay Gulf2007
Celleporaria brunneaFrance / Western MediterraneanFrom 2015
Celleporaria brunneaGreece / Eastern Mediterranean2015
Celleporaria brunneaItaly / Central Mediterranean2010 - 2011
Celleporaria brunneaItaly / Western Mediterranean2010 - 2011
Celleporaria brunneaPortugal / Iberian Coastal2012
Celleporaria inauditaPortugal / Madeira2014
Celleporaria vermiformisGreece / Eastern Mediterranean2015
Celleporella carolinensisItaly / Adriatic Sea1993
Celleporella hyalinaAustralia / Bass strait1889
Celtodoryx ciocalyptoidesFrance / Biscay Gulf1990 - 1999
Celtodoryx ciocalyptoidesFrance / Celtic seas1996
Celtodoryx ciocalyptoidesFrance / North SeaFrom 2014
Celtodoryx ciocalyptoidesNetherlandsTo 2002
Centroceras clavulatumAustralia / Bass strait1971
Centroceras clavulatumFrance / Biscay Gulf2014
Centroceras clavulatumFrance / English Channel2017
Centropages furcatusGreece / Eastern Mediterranean1988
Cephalothrix simulaNetherlandsTo 2012
Cephalothrix simulaSpain / Iberian CoastalTo 2013
Ceramium botryocarpumNetherlands2011
Ceramium cimbricumGermany / North SeaTo 2010
Ceramium cimbricumNetherlandsTo 2009
Ceramium cingulatumPortugal / Azores2005 - 2007
Ceramium circinatumGermany / North Sea2015
Ceramium graecumGreece / Eastern Mediterranean1990
Ceramium strobiliformeItaly / Adriatic Sea1997
Ceramium strobiliformeItaly / Western Mediterranean1991
Ceramium sungminbooiNetherlandsTo 2014
Ceramium tenuicorneNetherlands2011
Ceramium virgatumAustralia / Bass strait1981
Cerastoderma eduleIceland1948
Cercopagis (Cercopagis) pengoiEstonia1992
Cercopagis (Cercopagis) pengoiFinland1992
Cercopagis (Cercopagis) pengoiGermany / Baltic Sea2004
Cercopagis (Cercopagis) pengoiLatvia1992
Cercopagis (Cercopagis) pengoiLithuania1999
Cercopagis (Cercopagis) pengoiPoland1999
Cercopagis (Cercopagis) pengoiRussia / Baltic Sea / Kaliningrad area1999
Cercopagis (Cercopagis) pengoiRussia / Baltic Sea / St. Petersburg area1995
Cercopagis (Cercopagis) pengoiSweden / Baltic Sea1995
Cereus pedunculatusGermany / North Sea1921
Cerithidium perparvulumGreece / Eastern Mediterranean2010
Cerithiopsis pulvisGreece / Eastern Mediterranean2010
Cerithiopsis tenthrenoisGreece / Eastern Mediterranean1994
Cerithium scabridumGreece / Eastern Mediterranean2007
Cerithium scabridumItaly / Adriatic Sea2005 - 2007
Cerithium scabridumItaly / Central Mediterranean1976
Cerithium scabridumItaly / Western Mediterranean1999
Chaetoceros aequatorialisBulgaria2011
Chaetoceros aequatorialisRussia / Black Sea2004
Chaetoceros circinalisDenmark / Baltic Sea2001
Chaetoceros circinalisDenmark / North Sea2006
Chaetoceros concavicornisDenmark / Baltic Sea2011
Chaetoceros concavicornisDenmark / North Sea2011
Chaetoceros diversus var. papilionisGeorgia2000
Chaetoceros diversus var. papilionisUkraine / Black SeaFrom 1999
Chaetoceros lorenzianusGermany / Baltic Sea2009
Chaetoceros lorenzianusLithuania2005
Chaetoceros lorenzianusPoland2003
Chaetoceros peruvianusDenmark / Baltic Sea1981
Chaetoceros peruvianusDenmark / North Sea1981
Chaetoceros peruvianusFrance / Biscay Gulf1964
Chaetoceros peruvianusFrance / Celtic seas2003
Chaetoceros peruvianusFrance / English Channel1993
Chaetoceros peruvianusGermany / Baltic SeaTo 2010
Chaetoceros peruvianusSweden / Baltic SeaFrom 2007
Chaetoceros peruvianusSweden / North Sea2007
Chaetoceros rostratusFrance / Celtic seas2003
Chaetoceros rostratusFrance / English Channel2003
Chaetoceros throndseniiRussia / Black Sea2005
Chaetoceros tortissimusRussia / Black Sea2000
Chaetoceros tortissimusTurkey / Black Sea1995 - 1996
Chaetoceros tortissimusUkraine / Black SeaFrom 2001
Chaetodipterus faberGreece / Eastern Mediterranean2019
Chaetodon aurigaItaly / Western Mediterranean2015
Chaetogammarus ischnusGermany / Baltic SeaTo 2016
Chaetogammarus ischnusGermany / North Sea1989
Chaetogammarus ischnusLithuania1960
Chaetogammarus ischnusNetherlandsTo 1991
Chaetogammarus ischnusPoland1928
Chaetogammarus warpachowskyiLatvia1966
Chaetogammarus warpachowskyiLithuania1960
Chaetogammarus warpachowskyiRussia / Baltic Sea / Kaliningrad area1962
Chaetomorpha aereaAustralia / Bass strait1971
Chaetomorpha capillarisAustralia / Bass strait1983
Chaetomorpha linumAustralia / Bass strait1981
Chaetopleura angulataPortugal / Iberian CoastalTo 1916
Chaetopleura angulataSpain / Iberian CoastalTo 1850
Chaetozone coronaGreece / Central Mediterranean1982
Chaetozone coronaGreece / Eastern Mediterranean1989
Chaetozone coronaItaly / Adriatic Sea2006
Chaetozone coronaItaly / Central Mediterranean2018
Chaetozone coronaItaly / Western Mediterranean2014 - 2016
Chalinula loosanoffiGermany / North SeaTo 1993
Chalinula loosanoffiNetherlandsTo 1880
Chalinula loosanoffiUnited Kingdom (Britain) / English ChannelFrom 1970
Chalinula loosanoffiUnited Kingdom (Britain) / North SeaFrom 1970
Chama asperellaGreece / Eastern Mediterranean2007
Chama gryphoidesSpain / Iberian Coastal2003
Chama pacificaGreece / Eastern Mediterranean2005
Chama sp.Ireland1989
Champsodon nudivittisGreece / Eastern Mediterranean2012
Chara connivensEstonia1930 - 1959
Chara connivensFinland2004
Chara connivensGermany / Baltic Sea1858
Chara connivensLatvia1920 - 1924
Chara connivensPoland1900 - 1907
Chara connivensSweden / Baltic Sea1930 - 1950
Charybdis (Charybdis) feriataItaly / Western Mediterranean2015
Charybdis (Charybdis) helleriiGreece / Eastern Mediterranean2004
Charybdis (Charybdis) japonicaItaly / Adriatic Sea2006
Charybdis (Charybdis) luciferaItaly / Adriatic Sea2006
Charybdis (Goniohellenus) longicollisGreece / Eastern Mediterranean1996
Chattonella marinaGermany / North Sea1974
Chattonella marinaNetherlandsTo 1991
Chattonella marina var. antiquaNetherlandsTo 1991
Cheilopogon cyanopterusFrance / Biscay Gulf2005
Chelicorophium curvispinumBelgium1990
Chelicorophium curvispinumEstonia2005
Chelicorophium curvispinumFrance / Celtic seas1993
Chelicorophium curvispinumFrance / English Channel2006
Chelicorophium curvispinumFrance / North Sea2006
Chelicorophium curvispinumGermany / Baltic Sea1932
Chelicorophium curvispinumGermany / North Sea1912
Chelicorophium curvispinumIrelandTo 2000
Chelicorophium curvispinumLithuania1921 - 1929
Chelicorophium curvispinumNetherlands1987
Chelicorophium curvispinumPoland1900 - 1928
Chelicorophium curvispinumRussia / Baltic Sea / Kaliningrad area1921 - 1925
Chelicorophium curvispinumRussia / Baltic Sea / St. Petersburg area2006
Chelicorophium robustumGermany / North Sea2003
Chelicorophium robustumPoland2018
Chelon haematocheilusTurkey / Black SeaFrom 1989
Chelon haematocheilusUkraine / Azov Sea1972 - 1996
Chelon haematocheilusUkraine / Black Sea1972 - 1996
Chelon labrosusUkraine / Black SeaFrom 1983
Cherax destructorSpain / Iberian CoastalTo 1983
Chionoecetes opilioNorway / Barents SeaTo 2003
Chionoecetes opilioRussia / Barents Sea1996
Chiton cumingsiiSpain / Canary IslandsTo 2013
Chlorurus rhakouraItaly / Central Mediterranean2017
Chondracanthus sp.France / Biscay Gulf2009
Chondria arcuataAustralia / Bass strait1975
Chondria coerulescensFrance / Western Mediterranean1993
Chondria coerulescensGreece / Central Mediterranean1975
Chondria coerulescensGreece / Eastern Mediterranean1982
Chondria coerulescensPortugal / Azores2005 - 2007
Chondria collinsianaGreece / Eastern Mediterranean1980
Chondria curvilineataFrance / Western Mediterranean1981
Chondria curvilineataItaly / Central Mediterranean2015
Chondria polyrhizaItaly / Central Mediterranean1992
Chondria pygmaeaItaly / Adriatic Sea1998
Chondria pygmaeaItaly / Central Mediterranean1991
Chondria pygmaeaItaly / Western Mediterranean1995
Chondrus giganteusFrance / Western Mediterranean1993
Chondrus giganteus f. flabellatusFrance / Western Mediterranean1993
Chorda filumFrance / Western Mediterranean1981
Chorizopora brongniartiiSpain / Canary IslandsTo 2003
Chromodoris quadricolorFrance / Western Mediterranean2014
Chromodoris quadricolorItaly / Western Mediterranean1982
Chrysaora hysoscellaTurkey / Black Sea2009
Chrysonephos lewisiiItaly / Western Mediterranean1992
Chrysymenia ventricosaTurkey / Black Sea1990 - 1999
Chrysymenia wrightiiFrance / English Channel2013
Chrysymenia wrightiiFrance / Western Mediterranean1978
Cinachyrella allocladaPortugal / AzoresTo 1989
Ciona intestinalisAustralia / Bass strait1958
Ciona intestinalisCanada / Bay of Fundy1850 - 1859
Ciona intestinalisCanada / South-eastern Scotian Shelf1997
Ciona intestinalisCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2004
Ciona intestinalisCanada / Southern Newfoundland and Southern Grand Banks2012
Ciona intestinalisFrance / English ChannelTo 2012
Ciona intestinalisIceland2007
Ciona robustaFrance / Biscay Gulf1970 - 1979
Ciona robustaGreece / Eastern Mediterranean1901
Ciona robustaIceland2019
Ciona robustaItaly / Adriatic Sea2013
Cirolana harfordiAustralia / Bass strait1996
Cirrenalia basiminutaUkraine / Black Sea2001
Cirrholovenia tetranemaItaly / Western Mediterranean1963
Cladophora flexuosaTurkey / Black Sea1990 - 1999
Cladophora hutchinsiaeBulgaria1938
Cladophora proliferaAustralia / Bass strait1964
Cladophoropsis membranaceaPortugal / Azores1986
Cladosiphon zosteraeFrance / Western Mediterranean1993
Cladostephus spongiosusAustralia / Bass strait1966
Clausocalanus arcuicornisRomania1978
Clausocalanus arcuicornisUkraine / Black SeaFrom 2001
Clavelina dellavalleiPortugal / MadeiraTo 1995
Clavelina lepadiformisPortugal / AzoresTo 1971
Clavelina lepadiformisPortugal / MadeiraTo 1995
Clavelina oblongaFrance / Western MediterraneanFrom 1986
Clavelina oblongaItaly / Central MediterraneanTo 2008
Clavelina oblongaItaly / Western MediterraneanTo 1929
Clavelina oblongaPortugal / AzoresTo 1971
Claviceps purpureaBelgiumTo 2008
Claviceps purpureaGermany / North Sea2001
Claviceps purpureaNetherlands1990 - 1999
Clementia papyraceaGreece / Eastern Mediterranean1985
Clymenella torquataFrance / English Channel1977
Clymenella torquataIreland1974 - 1981
Clymenella torquataUnited Kingdom (Britain) / North Sea1936
Clytia hemisphaericaAustralia / Bass strait1980
Clytia hummelinckiItaly / Adriatic Sea2001
Clytia hummelinckiItaly / Central Mediterranean1996
Clytia hummelinckiItaly / Western Mediterranean2003
Clytia linearisFrance / Western Mediterranean1949
Clytia linearisGreece / Central Mediterranean1977
Clytia linearisGreece / Eastern Mediterranean1981
Clytia linearisItaly / Adriatic SeaTo 1996
Clytia linearisItaly / Central Mediterranean1991
Clytia linearisItaly / Western Mediterranean1956 - 1959
Clytia mccradyiItaly / Western Mediterranean1961 - 1963
Clytia paulensisAustralia / Bass strait1985
Cocconeis britannicaUkraine / Black SeaFrom 1902
Cochlodinium polykrikoidesBulgaria2008
Cochlodinium polykrikoidesRussia / Black Sea2000
Cochlodinium polykrikoidesUkraine / Black SeaFrom 2001
Codium adhaerensSpain / Iberian CoastalTo 2006
Codium arabicumPortugal / Iberian Coastal2006
Codium fragileCanada / Northern Newfoundland2013
Codium fragileCanada / South-eastern Scotian Shelf1989
Codium fragileCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf1996
Codium fragileCanada / Southern Newfoundland and Southern Grand Banks2012
Codium fragileIceland1974
Codium fragileNorway / North Sea1946
Codium fragileSpain / Canary IslandsTo 2003
Codium fragileSweden / North Sea1932
Codium fragile atlanticumNetherlandsTo 1923
Codium fragile atlanticumNorway / North Sea1895
Codium fragile atlanticumNorway / Norwegian Sea1895
Codium fragile atlanticumPortugal / AzoresTo 1994
Codium fragile scandinavicumDenmark / Baltic Sea1919
Codium fragile scandinavicumDenmark / North Sea1919
Codium fragile scandinavicumNorway / North Sea1929
Codium fragile scandinavicumNorway / Norwegian Sea1929
Codium fragile subsp. fragileAustralia / Bass strait1997
Codium fragile subsp. fragileBelgium1939
Codium fragile subsp. fragileDenmark / Baltic Sea1920
Codium fragile subsp. fragileDenmark / North Sea1920
Codium fragile subsp. fragileFrance / Biscay Gulf1946
Codium fragile subsp. fragileFrance / Celtic seas1946
Codium fragile subsp. fragileFrance / English Channel1940
Codium fragile subsp. fragileFrance / North Sea1940
Codium fragile subsp. fragileFrance / Western Mediterranean1946
Codium fragile subsp. fragileGermany / North Sea1930
Codium fragile subsp. fragileGreece / Central Mediterranean1985
Codium fragile subsp. fragileGreece / Eastern Mediterranean1992
Codium fragile subsp. fragileIceland1974
Codium fragile subsp. fragileIreland1941
Codium fragile subsp. fragileItaly / Adriatic Sea1978
Codium fragile subsp. fragileItaly / Central Mediterranean1973
Codium fragile subsp. fragileItaly / Western Mediterranean1978 - 1987
Codium fragile subsp. fragileNetherlands1900
Codium fragile subsp. fragileNorway / Barents Sea1946
Codium fragile subsp. fragileNorway / North Sea1946
Codium fragile subsp. fragileNorway / Norwegian Sea1946
Codium fragile subsp. fragilePortugal / Azores1993
Codium fragile subsp. fragilePortugal / Iberian Coastal2005
Codium fragile subsp. fragileSpain / Canary IslandsTo 2004
Codium fragile subsp. fragileSpain / Iberian CoastalTo 1957
Codium fragile subsp. fragileTurkey / Black SeaFrom 1983
Codium fragile subsp. fragileUnited Kingdom (Britain) / Celtic seas1891
Codium fragile subsp. fragileUnited Kingdom (Britain) / English Channel1891
Codium fragile subsp. fragileUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 1960
Codium vermilaraPortugal / AzoresTo 1995
Colaconema codicolaFrance / Western Mediterranean1950
Colaconema codicolaItaly / Adriatic Sea1978
Colaconema codicolaItaly / Western MediterraneanTo 1984
Colaconema codicolaTurkey / Black Sea1994
Colaconema dasyaeNetherlands1951
Colaconema garbaryiAustralia / Bass strait1977
Coleusia signataGreece / Eastern Mediterranean2005
Colpomenia peregrinaAustralia / Bass strait1971
Colpomenia peregrinaDenmark / Baltic Sea1939
Colpomenia peregrinaDenmark / North Sea1939
Colpomenia peregrinaFrance / Biscay Gulf1905
Colpomenia peregrinaFrance / Celtic seas1905
Colpomenia peregrinaFrance / English Channel1905
Colpomenia peregrinaFrance / North Sea1971
Colpomenia peregrinaFrance / Western Mediterranean1918 - 1957
Colpomenia peregrinaGermany / North Sea2017
Colpomenia peregrinaGreece / Central Mediterranean2001
Colpomenia peregrinaGreece / Eastern Mediterranean1986
Colpomenia peregrinaIrelandTo 1935
Colpomenia peregrinaItaly / Central MediterraneanTo 1975
Colpomenia peregrinaItaly / Western Mediterranean1964
Colpomenia peregrinaNetherlands1921
Colpomenia peregrinaNorway / North Sea1933
Colpomenia peregrinaNorway / Norwegian Sea1933
Colpomenia peregrinaPortugal / AzoresTo 1994
Colpomenia peregrinaPortugal / Iberian Coastal1951
Colpomenia peregrinaSpain / Canary IslandsTo 1978
Colpomenia peregrinaSpain / Iberian CoastalTo 1960
Colpomenia peregrinaSweden / North Sea1950
Colpomenia peregrinaUnited Kingdom (Britain) / Celtic seas1907
Colpomenia peregrinaUnited Kingdom (Britain) / English Channel1907
Colpomenia peregrinaUnited Kingdom (Britain) / North Sea1908 - 1930
Colpomenia peregrinaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 1960
Colpomenia sinuosaAustralia / Bass strait1966
Conchoderma auritumBelgiumTo 2010
Conchoderma auritumNetherlands1976
Congeria leucophaeta leucophaetaGermany / Baltic SeaTo 2013
Congeria leucophaeta leucophaetaGermany / North Sea1930
Conomurex persicusGreece / Central Mediterranean2001
Conomurex persicusGreece / Eastern Mediterranean1983
Conopeum reticulumAustralia / Bass strait1879
Conopeum seuratiRussia / Caspian Sea1958
Conopeum seuratiUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Coolia monotisGreece / Eastern Mediterranean2002
Corambe obscuraBulgaria1986
Corambe obscuraFrance / Biscay Gulf1973
Corambe obscuraFrance / Celtic seas1973
Corambe obscuraGermany / North Sea2019
Corambe obscuraNetherlands1879
Corambe obscuraRomania1990
Corambe obscuraRussia / Azov Sea1986
Corambe obscuraUkraine / Azov SeaFrom 1989
Corambe obscuraUkraine / Black SeaFrom 1989
Corbicula fluminalisBelgiumTo 1992
Corbicula fluminalisGermany / North SeaTo 1983
Corbicula fluminalisNetherlandsTo 1990
Corbicula fluminalisPortugal / Iberian Coastal1980 - 1989
Corbicula fluminalisUkraine / Black Sea2000 - 2003
Corbicula flumineaBelgiumTo 1992
Corbicula flumineaGermany / North Sea1983
Corbicula flumineaIrelandTo 2010
Corbicula flumineaNetherlandsTo 1998
Corbicula flumineaPortugal / Iberian CoastalTo 1978
Corbicula flumineaSpain / Iberian Coastal1994
Corbicula flumineaUkraine / Black Sea1995 - 2000
Corbicula flumineaUnited Kingdom (Britain) / North Sea1998
Cordylophora caspiaBelgium1905
Cordylophora caspiaDenmark / Baltic Sea1891 - 1899
Cordylophora caspiaDenmark / North Sea1895
Cordylophora caspiaEstonia1801 - 1850
Cordylophora caspiaFinland1801 - 1889
Cordylophora caspiaFrance / Biscay Gulf1901
Cordylophora caspiaFrance / Celtic seas1901
Cordylophora caspiaFrance / English ChannelTo 1901
Cordylophora caspiaGermany / Baltic Sea1858
Cordylophora caspiaGermany / North Sea1858
Cordylophora caspiaIrelandTo 1844
Cordylophora caspiaItaly / Adriatic Sea1978
Cordylophora caspiaItaly / Central Mediterranean1978
Cordylophora caspiaItaly / Western Mediterranean1978
Cordylophora caspiaLatvia1801 - 1899
Cordylophora caspiaLithuania1801 - 1899
Cordylophora caspiaNetherlands1884
Cordylophora caspiaNorway / North Sea1985
Cordylophora caspiaPoland1801 - 1850
Cordylophora caspiaPortugal / Iberian CoastalTo 1983
Cordylophora caspiaRussia / Baltic Sea / Kaliningrad area1860 - 1870
Cordylophora caspiaRussia / Baltic Sea / St. Petersburg area1979
Cordylophora caspiaSweden / Baltic Sea1810
Cordylophora caspiaSweden / North Sea1895 - 1971
Cordylophora caspiaUkraine / Black Sea1950 - 1959
Cordylophora caspiaUnited Kingdom (Britain) / Celtic seas 
Cordylophora caspiaUnited Kingdom (Britain) / English Channel 
Cordylophora caspiaUnited Kingdom (Britain) / North Sea 
Coregonus autumnalisLatvia1957
Coregonus autumnalisRussia / Baltic Sea / St. Petersburg area1953 - 1957
Coregonus muksunLatvia1970
Coregonus muksunPoland1984
Coregonus nasusLatvia1960
Coregonus peledEstonia1959
Coregonus peledFinland1965
Coregonus peledLatvia1954
Coregonus peledLithuania1960
Coregonus peledPoland1966
Coregonus peledRussia / Baltic Sea / Kaliningrad area1958
Coregonus peledRussia / Baltic Sea / St. Petersburg area1955 - 1956
Corella eumyotaFrance / Biscay GulfTo 2002
Corella eumyotaFrance / Celtic seasTo 2006
Corella eumyotaFrance / English Channel2002
Corella eumyotaFrance / North Sea2007
Corella eumyotaGermany / North Sea2016
Corella eumyotaIreland2005
Corella eumyotaNetherlands2007
Corella eumyotaPortugal / Iberian Coastal2008
Corella eumyotaSpain / Iberian CoastalTo 2008
Corella eumyotaUnited Kingdom (Britain) / Celtic seas2004
Corella eumyotaUnited Kingdom (Britain) / English Channel2004
Corella eumyotaUnited Kingdom (Britain) / North Sea2009 - 2013
Corella eumyotaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2012
Corethron pennatumNetherlandsTo 2018
Cornigerius maeoticusRussia / Baltic Sea / St. Petersburg area2003
Corollospora laceraUkraine / Black Sea1992
Corophium volutatorRussia / Caspian Sea1950 - 1959
Corymbellus aureusDenmark / Baltic Sea1992
Corymbellus aureusDenmark / North Sea1989
Coryne eximiaAustralia / Bass strait1884
Corynomorpha prismaticaPortugal / Azores1990
Corynophlaea verruculiformisNetherlands1994
Coryphellina rubrolineataGreece / Eastern Mediterranean2009
Coscinasterias tenuispinaSpain / Iberian Coastal2000
Coscinodiscus wailesiiBelgium1977 - 1978
Coscinodiscus wailesiiDenmark / Baltic Sea1983 - 1989
Coscinodiscus wailesiiDenmark / North Sea1983
Coscinodiscus wailesiiFrance / Biscay Gulf1972 - 1978
Coscinodiscus wailesiiFrance / Celtic seas1978
Coscinodiscus wailesiiFrance / English Channel1978
Coscinodiscus wailesiiGermany / North Sea1977
Coscinodiscus wailesiiIreland1979
Coscinodiscus wailesiiNetherlands1978
Coscinodiscus wailesiiNorway / North Sea1979
Coscinodiscus wailesiiSweden / Baltic Sea1995 - 2005
Coscinodiscus wailesiiSweden / North SeaTo 1995
Coscinodiscus wailesiiUnited Kingdom (Britain) / Celtic seas1977
Coscinodiscus wailesiiUnited Kingdom (Britain) / English Channel1977
Cossura coastaGreece / Central Mediterranean1980
Cossura coastaGreece / Eastern Mediterranean1975
Cotula coronopifoliaGermany / North Sea1739
Cotula coronopifoliaNetherlands1846
Cradoscrupocellaria bertholletiiAustralia / Bass straitFrom 1900
Cradoscrupocellaria bertholletiiPortugal / Madeira2006
Crambe crambePortugal / MadeiraTo 2004
Crangon crangonIceland2003
Craspedacusta sowerbiiGermany / North Sea1960 - 1969
Craspedacusta sowerbiiIrelandTo 2013
Crassicorophium bonelliiUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Crassicorophium crassicorneUnited Kingdom (Britain) / North Sea / Orkney Islands1995
Crassimarginatella papuliferaSpain / Iberian CoastalTo 2016
Crassostrea rhizophoraeFrance / Celtic seas1976
Crassostrea rhizophoraeUnited Kingdom (Britain) / Celtic seas1981
Crassostrea rivularisFrance / Celtic seas1994
Crassostrea sikameaFrance / Celtic seas1994
Crassostrea virginicaBelgium1960 - 1969
Crassostrea virginicaDenmark / Baltic Sea1880
Crassostrea virginicaFrance / Biscay Gulf1861
Crassostrea virginicaFrance / Celtic seas1861
Crassostrea virginicaGermany / Baltic Sea1886 - 1896
Crassostrea virginicaGermany / North Sea1911
Crassostrea virginicaIreland1870
Crassostrea virginicaNetherlandsTo 1943
Crassostrea virginicaRomania1973
Crassostrea virginicaSweden / North Sea 
Crassostrea virginicaUnited Kingdom (Britain) / North Sea1872
Crepidacantha poissoniiGreece / Eastern Mediterranean1986
Crepidacantha poissoniiItaly / Central Mediterranean1982
Crepidula fornicataBelgium1911
Crepidula fornicataDenmark / Baltic Sea1934
Crepidula fornicataDenmark / North Sea1934
Crepidula fornicataFrance / Biscay Gulf1934
Crepidula fornicataFrance / Celtic seas1949
Crepidula fornicataFrance / English Channel1934
Crepidula fornicataFrance / North Sea1962
Crepidula fornicataFrance / Western Mediterranean1957
Crepidula fornicataGermany / North Sea1934
Crepidula fornicataGreece / Eastern Mediterranean1985
Crepidula fornicataIreland1893
Crepidula fornicataItaly / Central Mediterranean1973
Crepidula fornicataItaly / Western Mediterranean1983
Crepidula fornicataNetherlands1929
Crepidula fornicataNorway / Barents SeaTo 1985
Crepidula fornicataNorway / North Sea1958 - 1985
Crepidula fornicataNorway / Norwegian SeaTo 1985
Crepidula fornicataPortugal / Iberian CoastalTo 1999
Crepidula fornicataSpain / Iberian CoastalTo 1983
Crepidula fornicataSweden / North Sea1950
Crepidula fornicataUnited Kingdom (Britain) / Celtic seas1872
Crepidula fornicataUnited Kingdom (Britain) / English Channel1872
Crepidula fornicataUnited Kingdom (Britain) / North Sea1887 - 1890
Crepipatella dilatataSpain / Iberian Coastal2005
Crisularia serrataFrance / Western Mediterranean1902
Crisularia serrataGreece / Eastern Mediterranean1967
Crisularia serrataItaly / Western Mediterranean1986 - 1987
Critomolgus actiniaeIreland1973
Cryptonemia hibernicaFrance / English Channel1980
Cryptonemia hibernicaIreland1971
Cryptonemia hibernicaUnited Kingdom (Britain) / English Channel2000
Cryptonemia lomationUnited Kingdom (Britain) / Celtic seas1983
Cryptorchestia cavimanaBelgiumTo 2002
Cryptorchestia cavimanaGermany / Baltic SeaTo 1925
Cryptorchestia cavimanaGermany / North SeaTo 1920
Cryptorchestia cavimanaNetherlands1878
Cryptorchestia cavimanaPolandTo 1925
Cryptosula pallasianaAustralia / Bass strait1886 - 1889
Cryptosula pallasianaNew Zealand / New Zealand Shelf / North IslandTo 1890
Cryptosula pallasianaNew Zealand / New Zealand Shelf / South IslandTo 1890
Ctenodrilus serratusUnited Kingdom (Britain) / North Sea / Orkney Islands2015
Ctenopharyngodon idellaDenmark / Baltic Sea2008
Ctenopharyngodon idellaFinland1970 - 1979
Cumulospora marinaUkraine / Black SeaFrom 2001
Cumulospora variaUkraine / Black Sea2001
Cuthona percaItaly / Adriatic Sea1976 - 1977
Cuthona percaUkraine / Black Sea2007
Cutleria multifidaAustralia / Bass strait1966
Cutleria multifidaGreece / Central Mediterranean1975
Cutleria multifidaGreece / Eastern Mediterranean1932
Cutleria multifidaItaly / Western Mediterranean2012
Cymbaloporetta planaGreece / Eastern Mediterranean2001 - 2006
Cymodoce fuscinaGreece / Eastern Mediterranean2015
Cymodocea nodosaTurkey / Black Sea2000 - 2009
Cynoscion nebulosusSpain / Iberian CoastalTo 2013
Cynoscion regalisPortugal / Iberian CoastalTo 2016
Cyprinus carpioDenmark / Baltic Sea1879
Cyprinus carpioDenmark / North Sea1879
Cyprinus carpioEstonia1893
Cyprinus carpioFinland1958
Cyprinus carpioLatvia1201 - 1300
Cyprinus carpioLithuania1501 - 1600
Cyprinus carpioPoland1200 - 1300
Cyprinus carpioRussia / Baltic Sea / Kaliningrad area1501 - 1599
Cyprinus carpioRussia / Baltic Sea / St. Petersburg area1893 - 1899
Cyprinus carpioSweden / Baltic Sea1952
Cystodytes dellechiajeiPortugal / AzoresTo 1969
Darcythompsonia fairliensisUkraine / Black Sea2009
Darwinella australiensisAustralia / Bass strait1885
Darwinella gardineriAustralia / Bass strait1981
Dasya baillouvianaDenmark / Baltic Sea1961
Dasya baillouvianaDenmark / North Sea1961
Dasya baillouvianaGermany / Baltic Sea1961
Dasya baillouvianaGermany / North Sea1960 - 1969
Dasya baillouvianaNetherlands1950
Dasya baillouvianaNorway / North Sea1966
Dasya baillouvianaPortugal / Azores1997
Dasya baillouvianaSweden / North Sea1940 - 1952
Dasya sessilisFrance / Biscay Gulf2005
Dasya sessilisFrance / Western Mediterranean1984
Dasya sessilisNetherlands2003
Dasya sessilisPortugal / Iberian CoastalFrom 1989
Dasya sessilisSpain / Iberian Coastal1989
Dasysiphonia japonicaBelgium2015
Dasysiphonia japonicaDenmark / Baltic Sea2005
Dasysiphonia japonicaDenmark / North Sea2005
Dasysiphonia japonicaFrance / Celtic seas1994
Dasysiphonia japonicaFrance / English Channel1984
Dasysiphonia japonicaFrance / North Sea1984
Dasysiphonia japonicaFrance / Western Mediterranean1994
Dasysiphonia japonicaGermany / North Sea2015
Dasysiphonia japonicaIreland2002
Dasysiphonia japonicaItaly / Adriatic Sea1999
Dasysiphonia japonicaItaly / Central Mediterranean2014
Dasysiphonia japonicaNetherlands1994
Dasysiphonia japonicaNorway / North Sea1996
Dasysiphonia japonicaNorway / Norwegian Sea1996
Dasysiphonia japonicaSpain / Iberian Coastal1990 - 1999
Dasysiphonia japonicaSweden / North Sea2002
Dasysiphonia japonicaUnited Kingdom (Britain) / Celtic seas2004
Dasysiphonia japonicaUnited Kingdom (Britain) / English Channel2004
Dasysiphonia japonicaUnited Kingdom (Britain) / North Sea2004
Dasysiphonia japonicaUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2011
Dendostrea fronsIreland1983
Dendrocoelum romanodanubialeBelgiumTo 2001
Dendrocoelum romanodanubialeNetherlandsTo 2001
Derbesia marinaAustralia / Bass strait1977
Derbesia rhizophoraFrance / Western Mediterranean1986
Desdemona ornataGreece / Eastern Mediterranean1986
Desdemona ornataItaly / Adriatic Sea2002
Desdemona ornataItaly / Western MediterraneanTo 1985
Desdemona ornataNetherlandsTo 2015
Desdemona ornataPortugal / Iberian CoastalTo 1993
Desdemona ornataSpain / Iberian CoastalTo 1998
Desdemona ornataUnited Kingdom (Britain) / English Channel1997
Desmacella meliorataPortugal / AzoresTo 1979
Desmarestia viridisFrance / Western Mediterranean1978
Desmarestia viridisGermany / Baltic SeaTo 1990
Desmarestia viridisGermany / North SeaTo 1881
Desmarestia viridisItaly / Adriatic Sea1999
Desmarestia viridisNetherlandsTo 2005
Desmarestia viridisRomania2004
Desmarestia viridisUkraine / Black SeaFrom 1992
Detonula pumilaBulgaria1999
Detonula pumilaGeorgia2002
Deucalion levringiiAustralia / Bass strait1975
Devaleraea ramentaceaFaroe IslandsTo 1982
Devaleraea ramentaceaGermany / North Sea1975
Devaleraea ramentaceaNorway / North SeaTo 1999
Diadema antillarumSpain / Canary IslandsTo 2006
Diadema setosumGreece / Eastern Mediterranean2010
Diadumene cinctaBelgiumTo 2018
Diadumene cinctaFrance / Biscay Gulf1963
Diadumene cinctaFrance / Celtic seas1963
Diadumene cinctaFrance / English Channel1963
Diadumene cinctaFrance / North Sea1925
Diadumene cinctaGermany / North Sea1928
Diadumene cinctaItaly / Adriatic Sea1993
Diadumene cinctaNetherlands1925
Diadumene lineataBelgium1998
Diadumene lineataBulgaria1960 - 1969
Diadumene lineataCanada / Bay of Fundy2009
Diadumene lineataCanada / South-eastern Scotian Shelf2013
Diadumene lineataDenmark / Baltic Sea2008
Diadumene lineataDenmark / North Sea2008
Diadumene lineataFrance / Biscay Gulf1963
Diadumene lineataFrance / Celtic seas1900
Diadumene lineataFrance / North Sea1976
Diadumene lineataFrance / Western MediterraneanTo 1971
Diadumene lineataGermany / Baltic Sea2011
Diadumene lineataGermany / North Sea1920
Diadumene lineataIreland1974
Diadumene lineataItaly / Adriatic Sea1925
Diadumene lineataItaly / Western Mediterranean1911
Diadumene lineataNetherlands1912
Diadumene lineataRomania1960 - 1969
Diadumene lineataUkraine / Black Sea1960 - 1969
Diadumene lineataUnited Kingdom (Britain) / English Channel1899
Diadumene lineataUnited Kingdom (Britain) / North Sea / Orkney Islands1994
Diamysis bahirensisPortugal / Iberian Coastal1995
Dicroerisma psilonereiellaSweden / North Sea1996 - 2000
Dictyota cyanolomaFrance / Western Mediterranean1999
Dictyota cyanolomaGreece / Central Mediterranean2013
Dictyota cyanolomaItaly / Western MediterraneanTo 2017
Dictyota dichotomaAustralia / Bass strait1966
Dictyota dichotomaDenmark / Baltic Sea1939
Dictyota dichotomaDenmark / North Sea1939
Dictyota dichotomaGermany / North SeaTo 1854
Dictyota dichotomaNetherlands1907 - 1926
Didemnum perlucidumPortugal / MadeiraTo 2012
Didemnum pseudovexillumFrance / English Channel2015
Didemnum sp.Spain / Iberian CoastalTo 2010
Didemnum vexillumCanada / Bay of Fundy2013
Didemnum vexillumFrance / English Channel1998
Didemnum vexillumFrance / North SeaTo 2001
Didemnum vexillumGermany / North Sea2016
Didemnum vexillumIreland2005
Didemnum vexillumItaly / Adriatic SeaTo 2007
Didemnum vexillumNetherlandsTo 1991
Didemnum vexillumUnited Kingdom (Britain) / Celtic seas2005
Didemnum vexillumUnited Kingdom (Britain) / English Channel2005
Dikerogammarus haemobaphesBelgium1998
Dikerogammarus haemobaphesFrance / Celtic seas1998
Dikerogammarus haemobaphesGermany / Baltic SeaTo 2015
Dikerogammarus haemobaphesGermany / North SeaTo 2017
Dikerogammarus haemobaphesPoland1996
Dikerogammarus haemobaphesRussia / Baltic Sea / Kaliningrad area1999
Dikerogammarus villosusBelgium1998
Dikerogammarus villosusFrance / Celtic seas1997
Dikerogammarus villosusFrance / English Channel1997
Dikerogammarus villosusGermany / Baltic Sea1990 - 2015
Dikerogammarus villosusGermany / North Sea1995
Dikerogammarus villosusLatvia2015
Dikerogammarus villosusLithuania2015
Dikerogammarus villosusNetherlands1994
Dikerogammarus villosusPoland2002
Dinophysis caudataSweden / Baltic Sea2019
Dinophysis islandicaUkraine / Black Sea2001
Dinophysis nasutaUkraine / Black Sea2008
Dinophysis odiosaRussia / Black Sea2008
Dinophysis odiosaUkraine / Black Sea2001
Dinophysis recurvaUkraine / Black Sea2001
Dinophysis sacculusDenmark / Baltic Sea2004
Dinophysis sacculusDenmark / North Sea2004
Dinophysis schilleriUkraine / Black Sea2001
Dinophysis triposSweden / Baltic SeaTo 2019
Diodora funiculataGreece / Eastern Mediterranean2013
Diopatra hupferiana hupferianaItaly / Central Mediterranean1991
Diplocirrus stopbowitziFrance / English Channel2009
Diplopsalopsis orbicularisRussia / Black Sea2004
Diplosoma listerianumBelgiumTo 2018
Diplosoma listerianumCanada / South-eastern Scotian Shelf2012
Diplosoma listerianumCanada / Southern Gulf of St. Lawrence and Eastern Scotian Shelf2008
Diplosoma listerianumFrance / English Channel1977
Diplosoma listerianumFrance / North Sea1977
Diplosoma listerianumGermany / North SeaTo 1993
Diplosoma listerianumGreece / Eastern Mediterranean1996
Diplosoma listerianumIceland2018
Diplosoma listerianumNetherlandsTo 1930
Diplosoma listerianumUnited Kingdom (Britain) / North Sea / Orkney Islands1997
Dipolydora blakeiGreece / Central Mediterranean1991
Dipolydora blakeiGreece / Eastern Mediterranean1991
Dipolydora capensisSpain / Iberian CoastalTo 2017
Dipolydora quadrilobataBulgaria1990 - 1999
Dipolydora quadrilobataRomania2000 - 2009
Dipolydora socialisCanada / Hudson Bay ComplexTo 2012
Dipolydora socialisSpain / Iberian CoastalTo 2017
Dipolydora tentaculataSpain / Iberian CoastalTo 2005
Dispio magnusGreece / Central Mediterranean1982
Dissodinium pseudocalaniSweden / North Sea2003
Distaplia bermudensisItaly / Central Mediterranean2000
Distaplia corollaPortugal / AzoresTo 1971
Distaplia corollaPortugal / Iberian Coastal2016
Distaplia corollaPortugal / MadeiraTo 2004
Distephanus speculum f. octonariusBulgaria1979
Distephanus speculum f. octonariusGeorgia1985
Distephanus speculum f. octonariusRomania1979
Distephanus speculum f. octonariusUkraine / Black Sea1979
Dodecaceria capensisGreece / Central Mediterranean1980
Dodecaceria capensisGreece / Eastern Mediterranean1975
Dorvillea similisGreece / Eastern Mediterranean2014
Dorvillea similisItaly / Western Mediterranean2018
Dreissena bugensisBelgiumTo 2009
Dreissena bugensisGermany / Baltic Sea2014
Dreissena bugensisGermany / North SeaTo 1950
Dreissena bugensisNetherlandsTo 2015
Dreissena bugensisPoland2011
Dreissena bugensisRussia / Baltic Sea / St. Petersburg area2004
Dreissena polymorphaBelgium1826
Dreissena polymorphaEstonia1801 - 1850
Dreissena polymorphaFinland1995
Dreissena polymorphaGermany / Baltic Sea1801 - 1850
Dreissena polymorphaGermany / North Sea1824
Dreissena polymorphaIreland1993
Dreissena polymorphaLatvia1801 - 1850
Dreissena polymorphaLithuania1801 - 1810
Dreissena polymorphaNetherlands1826
Dreissena polymorphaPoland1824 - 1828
Dreissena polymorphaRussia / Baltic Sea / Kaliningrad area1824
Dreissena polymorphaRussia / Baltic Sea / St. Petersburg area1970 - 1980
Dreissena polymorphaSweden / Baltic Sea2008
Dreissena polymorphaUnited Kingdom (Britain) / Celtic seas1824
Dreissena polymorphaUnited Kingdom (Britain) / North Sea1824
Dugesia tigrinaBelgiumTo 2004
Dugesia tigrinaFrance / Celtic seas1950
Dugesia tigrinaGermany / North Sea1931
Dysidea avaraAustralia / Bass strait1889
Dysidea fragilisAustralia / Bass strait1889
Dyspanopeus sayiFrance / Biscay Gulf2007
Dyspanopeus sayiGreece / Eastern Mediterranean2015
Dyspanopeus sayiItaly / Adriatic Sea1992
Dyspanopeus sayiItaly / Central Mediterranean2011 - 2012
Dyspanopeus sayiItaly / Western Mediterranean2011 - 2013
Dyspanopeus sayiPortugal / Iberian Coastal2018
Dyspanopeus sayiUnited Kingdom (Britain) / Celtic seas1950 - 1959
Echinogammarus ischnusGermany / Baltic Sea2020
Echinogammarus ischnusGermany / North SeaTo 1977
Echinogammarus trichiatusBelgiumTo 2009
Echinogammarus trichiatusGermany / Baltic Sea2014
Ecteinascidia styeloidesFrance / Western Mediterranean1987
Ecteinascidia turbinataGreece / Eastern Mediterranean1973 - 1983
Ectocarpus caspicusUkraine / Black SeaFrom 1980
Ectocarpus fasciculatusAustralia / Bass strait1971
Ectocarpus siliculosusAustralia / Bass strait1966
Ectopleura croceaAustralia / Bass strait1884
Ectopleura croceaPortugal / AzoresTo 1989
Ectopleura croceaPortugal / MadeiraTo 1995
Edwardsia claparediiNetherlandsTo 1917
Edwardsiella lineataSweden / North Sea2007 - 2012
Eichhornia crassipesPortugal / Iberian Coastal1936
Elachista sp.Netherlands1993
Elasmopus pectenicrusItaly / Adriatic Sea1980
Elasmopus pectenicrusItaly / Central Mediterranean2001
Elates ransonnettiiItaly / Central Mediterranean2005
Electra pilosaAustralia / Bass strait1860 - 1869
Electra pilosaSpain / Canary IslandsTo 2003
Elodea canadensisEstonia1900 - 1929
Elodea canadensisFinland1870 - 1879
Elodea canadensisLatvia1872
Elodea canadensisLithuania1884
Elodea canadensisNorway / North Sea1925
Elodea canadensisNorway / Norwegian SeaTo 2012
Elodea canadensisPoland1866
Elodea canadensisRussia / Baltic Sea / Kaliningrad area1884
Elodea canadensisRussia / Baltic Sea / St. Petersburg area1881 - 1892
Elodea canadensisSweden / Baltic Sea1873
Elodea nuttalliiBelgium1939
Elodea nuttalliiFrance / North Sea1950 - 1959
Elodea nuttalliiGermany / North Sea1953
Elodea nuttalliiIreland1984
Elodea nuttalliiNetherlands1941
Elodea nuttalliiNorway / North Sea2006
Elodea nuttalliiPoland2010
Elodea nuttalliiSweden / Baltic Sea1991
Elodea nuttalliiUnited Kingdom (Britain) / North Sea1914
Emiliania huxleyiDenmark / Baltic Sea1989
Emiliania huxleyiDenmark / North Sea1989
Endarachne binghamiaePortugal / AzoresTo 1985
Ensis leeiBelgium1986
Ensis leeiDenmark / Baltic Sea1984
Ensis leeiDenmark / North Sea1981
Ensis leeiFrance / Biscay Gulf1991
Ensis leeiFrance / Celtic seas1991
Ensis leeiFrance / English Channel1992
Ensis leeiFrance / North Sea1991
Ensis leeiGermany / Baltic Sea1991
Ensis leeiGermany / North Sea1979
Ensis leeiNetherlands1981
Ensis leeiNorway / North Sea1989
Ensis leeiSpain / Iberian Coastal2011
Ensis leeiSweden / North Sea1982 - 1986
Ensis leeiUnited Kingdom (Britain) / English Channel1989
Ensis leeiUnited Kingdom (Britain) / North Sea1989
Eocuma dimorphumSpain / Iberian CoastalTo 1999
Epinephelus caninusUkraine / Black Sea2013
Epinephelus coioidesItaly / Adriatic Sea1998
Equulites klunzingeriGreece / Eastern Mediterranean1946 - 1964
Ercolania viridisUkraine / Black SeaFrom 2001
Ergalatax junionaeGreece / Eastern Mediterranean2007
Ericthonius didymusFrance / Biscay Gulf2013
Ericthonius didymusFrance / Western Mediterranean2015
Ericthonius didymusItaly / Adriatic Sea2000 - 2005
Eriocheir japonicaPoland2015
Eriocheir sinensisBelgium1933
Eriocheir sinensisDenmark / Baltic Sea1935
Eriocheir sinensisDenmark / North Sea1927
Eriocheir sinensisEstonia1933
Eriocheir sinensisFinland1933
Eriocheir sinensisFrance / Biscay Gulf1930
Eriocheir sinensisFrance / Celtic seas1930
Eriocheir sinensisFrance / English Channel1930
Eriocheir sinensisFrance / North Sea1930
Eriocheir sinensisFrance / Western Mediterranean1959
Eriocheir sinensisGermany / Baltic Sea1921 - 1929
Eriocheir sinensisGermany / North Sea1912
Eriocheir sinensisIreland2006
Eriocheir sinensisItaly / Adriatic Sea2005
Eriocheir sinensisLatvia1932
Eriocheir sinensisLithuania1935
Eriocheir sinensisNetherlands1930
Eriocheir sinensisNorway / North Sea1976
Eriocheir sinensisPoland1928
Eriocheir sinensisPortugal / Iberian Coastal1988
Eriocheir sinensisRomania1934
Eriocheir sinensisRussia / Baltic Sea / Kaliningrad area1930 - 1933
Eriocheir sinensisRussia / Baltic Sea / St. Petersburg area1930 - 1933
Eriocheir sinensisRussia / White SeaTo 2010
Eriocheir sinensisSpain / Iberian Coastal1997
Eriocheir sinensisSweden / Baltic Sea1932
Eriocheir sinensisSweden / North Sea1936
Eriocheir sinensisUkraine / Black Sea1998 - 2002
Eriocheir sinensisUnited Kingdom (Britain) / Celtic seas1935
Eriocheir sinensisUnited Kingdom (Britain) / English Channel1935
Eriocheir sinensisUnited Kingdom (Britain) / North Sea1935
Eriphia verrucosaFrance / English Channel1968
Erugosquilla massavensisGreece / Central Mediterranean2017
Erugosquilla massavensisGreece / Eastern Mediterranean1963
Erugosquilla massavensisItaly / Central Mediterranean2017
Erythrocladia irregularisBulgaria1990 - 1999
Erythrotrichia carneaAustralia / Bass strait1994
Escharina vulgarisSpain / Canary IslandsTo 2003
Escharina vulgarisSweden / North SeaTo 2006
Ethmodiscus punctigerBelgium1993
Ethmodiscus punctigerDenmark / Baltic Sea1901
Ethmodiscus punctigerDenmark / North Sea1901
Ethmodiscus punctigerFrance / Biscay Gulf1978
Ethmodiscus punctigerFrance / Celtic seas 
Ethmodiscus punctigerFrance / English Channel1978
Ethmodiscus punctigerFrance / North Sea1978
Ethmodiscus punctigerGermany / Baltic Sea1983
Ethmodiscus punctigerGermany / North Sea1979
Ethmodiscus punctigerNetherlands1981
Ethmodiscus punctigerNorway / North Sea1979
Ethmodiscus punctigerSweden / Baltic Sea1990
Ethmodiscus punctigerSweden / North Sea1979
Ethmodiscus punctigerUnited Kingdom (Britain) / English Channel1978
Etrumeus golaniItaly / Central Mediterranean2005
Etrumeus golaniiGreece / Eastern Mediterranean1999
Eucampia cornutaFrance / Celtic seas2003
Eucampia cornutaFrance / English Channel2003
Eucampia cornutaUnited Kingdom (Britain) / English ChannelFrom 2003
Eucheilota menoniBelgiumTo 2012
Eucheilota menoniFrance / Biscay Gulf2009
Eucheilota menoniFrance / English ChannelTo 2007
Eucheilota menoniFrance / North Sea2007
Eucheilota menoniSpain / Iberian Coastal2008
Eucheilota paradoxicaFrance / Western Mediterranean1977
Euchone incolorPortugal / Iberian CoastalTo 2017
Euchone incolorSpain / Iberian CoastalTo 2017
Euchone limnicolaAustralia / Bass strait1984
Euchone limnicolaFrance / English Channel2016
Euchone limnicolaFrance / North Sea2015
Eudendrium capillareUkraine / Black SeaFrom 1990
Eudendrium carneumItaly / Central MediterraneanTo 2015
Eudendrium carneumItaly / Western Mediterranean1985
Eudendrium merulumItaly / Central Mediterranean1984
Eudendrium merulumItaly / Western MediterraneanTo 1991
Eudendrium vaginatumUkraine / Black SeaFrom 1990
Eudistoma angolanumPortugal / AzoresTo 1971
Eudistoma angolanumPortugal / MadeiraTo 1974
Euplana gracilisNetherlands2002
Euplokamis dunlapaeSweden / North Sea2011
Euryte longicauda longicaudaBulgaria2000
Eurytemora americanaBelgium1938
Eurytemora americanaFrance / English Channel1977
Eurytemora americanaFrance / North Sea1977
Eurytemora americanaNetherlandsTo 1963
Eurytemora americanaUnited Kingdom (Britain) / English Channel1931
Eurytemora carolleeaeGermany / Baltic Sea2012
Eurytemora carolleeaeLatvia2008
Eurytemora carolleeaeNetherlands2011
Eurytemora carolleeaeRussia / Baltic Sea2004
Eurytemora pacificaFrance / Biscay Gulf2014
Eurytemora pacificaFrance / Celtic seas1985
Eusarsiella zostericolaNetherlands2012
Eusarsiella zostericolaUnited Kingdom (Britain) / English Channel1870
Eusarsiella zostericolaUnited Kingdom (Britain) / North Sea1870 - 1940
Euthymella colzumensisGreece / Eastern Mediterranean2017
Euthymonacha politaGreece / Eastern Mediterranean2012
Eutintinnus apertusUkraine / Black SeaFrom 2002
Eutintinnus hastaeUkraine / Black SeaFrom 2002
Eutintinnus lususundaeBulgaria2001
Eutintinnus lususundaeRomania2001
Eutintinnus lususundaeRussia / Black Sea2001
Eutintinnus lususundaeTurkey / Black Sea2001
Eutintinnus lususundaeUkraine / Black SeaFrom 2001
Eutintinnus tubulosusRussia / Black Sea2001
Eutintinnus tubulosusUkraine / Black SeaFrom 2001
Evadne anonyxEstonia1999
Evadne anonyxFinland1998
Evadne anonyxGermany / Baltic Sea2014
Evadne anonyxLatvia2000 - 2001
Evadne anonyxLithuania2011
Evadne anonyxPoland2006
Evadne anonyxRussia / Baltic Sea / Kaliningrad area2007
Evadne anonyxRussia / Baltic Sea / St. Petersburg area2000
Evadne anonyxSweden / Baltic Sea2008
Favella brevisUkraine / Black SeaFrom 2002
Faxonius immunisNetherlands2019
Faxonius limosusBelgium1950 - 1959
Faxonius limosusFrance / Biscay Gulf1911 - 1913
Faxonius limosusFrance / Celtic seasTo 2014
Faxonius limosusFrance / English Channel1911 - 1913
Faxonius limosusFrance / North SeaTo 2014
Faxonius limosusGermany / Baltic Sea1880
Faxonius limosusLatvia2006
Faxonius limosusLithuania1994
Faxonius limosusNetherlands1968
Faxonius limosusPoland1890
Faxonius virilisNetherlands2004
Faxonius virilisSweden / North Sea1959 - 1960
Feldmannia globiferaAustralia / Bass strait1966
Feldmannia irregularisAustralia / Bass strait1971
Feldmannia lebeliiAustralia / Bass strait1971
Feldmannia mitchelliaeAustralia / Bass strait1971
Fenestrulina deliciaBelgiumTo 2011
Fenestrulina deliciaFrance / English Channel2007
Fenestrulina deliciaFrance / North Sea2010
Fenestrulina deliciaGermany / North Sea2011
Fenestrulina deliciaNetherlandsTo 2005
Fenestrulina deliciaUnited Kingdom (Britain) / North Sea / Orkney Islands2018
Fenestrulina malusiiAustralia / Bass strait1879
Fenestrulina malusiiDenmark / Baltic Sea2017
Fenestrulina malusiiDenmark / North Sea2011
Fenestrulina malusiiNetherlandsTo 2018
Fenestrulina malusiiSpain / Canary IslandsTo 2003
Ferrissia californicaGermany / Baltic SeaTo 2013
Ferrissia californicaGermany / North Sea1981 - 1989
Ferrissia fragilisBelgiumTo 1937
Ferrissia fragilisPortugal / Azores2007
Fibrocapsa japonicaFrance / Biscay Gulf1992
Fibrocapsa japonicaFrance / Celtic seas1991
Fibrocapsa japonicaFrance / English Channel1991
Fibrocapsa japonicaGermany / North Sea1992
Fibrocapsa japonicaNetherlands1991
Fibrocapsa japonicaNorway / North Sea1898
Fibrocapsa japonicaSweden / North SeaTo 1924
Ficopomatus enigmaticusAustralia / Bass strait1975
Ficopomatus enigmaticusBelgiumTo 1950
Ficopomatus enigmaticusBulgaria1935
Ficopomatus enigmaticusDenmark / Baltic Sea1939
Ficopomatus enigmaticusDenmark / North Sea1953
Ficopomatus enigmaticusFrance / Biscay Gulf1921
Ficopomatus enigmaticusFrance / Celtic seas1921
Ficopomatus enigmaticusFrance / English Channel1921
Ficopomatus enigmaticusFrance / Western Mediterranean1947
Ficopomatus enigmaticusGeorgia1929
Ficopomatus enigmaticusGermany / Baltic Sea2014
Ficopomatus enigmaticusGermany / North Sea1975
Ficopomatus enigmaticusGreece / Central Mediterranean1981
Ficopomatus enigmaticusGreece / Eastern Mediterranean1959
Ficopomatus enigmaticusIreland1971
Ficopomatus enigmaticusItaly / Adriatic Sea1934
Ficopomatus enigmaticusItaly / Central MediterraneanTo 1955
Ficopomatus enigmaticusItaly / Western Mediterranean1919
Ficopomatus enigmaticusNetherlands1968
Ficopomatus enigmaticusPortugal / Azores2016
Ficopomatus enigmaticusPortugal / Iberian CoastalTo 1979
Ficopomatus enigmaticusRomania1954
Ficopomatus enigmaticusRussia / Azov SeaTo 1960
Ficopomatus enigmaticusRussia / Black Sea1961
Ficopomatus enigmaticusSpain / Iberian CoastalTo 2000
Ficopomatus enigmaticusSweden / Baltic Sea2013
Ficopomatus enigmaticusSweden / North Sea 
Ficopomatus enigmaticusTurkey / Black Sea2004
Ficopomatus enigmaticusUkraine / Black SeaFrom 1961
Ficopomatus enigmaticusUnited Kingdom (Britain) / Celtic seas / Channel IslandsTo 1952
Ficopomatus enigmaticusUnited Kingdom (Britain) / English ChannelTo 1937
Ficopomatus enigmaticusUnited Kingdom (Britain) / North Sea1922
Filellum serpensAustralia / Bass strait1984
Fistularia commersoniiFrance / Western Mediterranean2007
Fistularia commersoniiGreece / Central Mediterranean2007
Fistularia commersoniiGreece / Eastern Mediterranean2001
Fistularia commersoniiItaly / Central Mediterranean2002
Fistularia commersoniiItaly / Western Mediterranean2003
Fistularia petimbaFrance / Biscay Gulf2018
Fistulobalanus albicostatusFrance / Biscay Gulf1973
Fistulobalanus albicostatusFrance / Celtic seas1974
Forsterygion lapillumAustralia / Bass strait1996
Fucus distichusGermany / Baltic SeaTo 2017
Fucus distichusGermany / North SeaTo 2020
Fucus distichusUnited Kingdom (Britain) / Celtic seas1980
Fucus distichusUnited Kingdom (Britain) / North Sea1980
Fucus evanescensDenmark / Baltic Sea1948
Fucus evanescensDenmark / North Sea1948
Fucus evanescensGermany / Baltic Sea1990
Fucus evanescensNorway / North Sea1898
Fucus evanescensSweden / Baltic Sea1955
Fucus evanescensSweden / North Sea1924
Fucus serratusIceland1900
Fucus spiralisFrance / Western Mediterranean1987
Fucus spiralisPortugal / Azores1960
Fulvia (Fulvia) fragilisItaly / Central Mediterranean2006
Fulvia (Fulvia) fragilisItaly / Western Mediterranean2003
Fulvia fragilisGreece / Central Mediterranean2015
Fulvia fragilisGreece / Eastern Mediterranean1997
Fundulus heteroclitusPortugal / Iberian Coastal1976
Fundulus heteroclitusSpain / Iberian Coastal1970 - 1979
Fusinus rostratusSpain / Iberian Coastal2007
Gambusia affinisTurkey / Black Sea1960
Gammarus tigrinusBelgium1995
Gammarus tigrinusDenmark / Baltic Sea1990
Gammarus tigrinusDenmark / North Sea1990
Gammarus tigrinusEstonia2003
Gammarus tigrinusFinland2003
Gammarus tigrinusFrance / Celtic seas1970
Gammarus tigrinusFrance / English Channel2005
Gammarus tigrinusFrance / North Sea2005
Gammarus tigrinusGermany / Baltic Sea1975
Gammarus tigrinusGermany / North Sea1957
Gammarus tigrinusIreland1916 - 1960
Gammarus tigrinusLatvia2011 - 2013
Gammarus tigrinusLithuania2004
Gammarus tigrinusNetherlands1960
Gammarus tigrinusPoland1988
Gammarus tigrinusRussia / Baltic Sea / Kaliningrad area1999
Gammarus tigrinusRussia / Baltic Sea / St. Petersburg area2005
Gammarus tigrinusSweden / Baltic Sea2000 - 2010
Gammogobius steinitziUkraine / Black Sea2012
Ganonema farinosumGreece / Eastern Mediterranean1800 - 1832
Garveia franciscanaBelgium1956
Garveia franciscanaBulgaria1933
Garveia franciscanaFrance / English Channel1952
Garveia franciscanaFrance / North Sea1952
Garveia franciscanaFrance / Western Mediterranean1978
Garveia franciscanaGermany / Baltic Sea2014
Garveia franciscanaGermany / North SeaTo 1952
Garveia franciscanaItaly / Adriatic Sea1978
Garveia franciscanaNetherlands1920
Garveia franciscanaRussia / Black Sea1950 - 1959
Garveia franciscanaUkraine / Azov Sea1950 - 1959
Gayliella flaccidaAustralia / Bass strait1981
Gelidiella nigrescensTurkey / Black Sea2000 - 2009
Gelidiella ramellosaTurkey / Black Sea2000 - 2009
Gelidiocolax christianaeTurkey / Black Sea2000 - 2009
Gelidium corneumTurkey / Black Sea2000 - 2009
Gelidium pulchellumTurkey / Black Sea2000 - 2009
Gelidium pusillumAustralia / Bass strait1971
Gelidium pusillumTurkey / Black Sea1990 - 1999
Gelidium spathulatumTurkey / Black Sea2000 - 2009
Gelidium vagumNetherlands2010
Gibbula adansoniSpain / Iberian Coastal1994
Gibbula adriaticaSpain / Iberian Coastal2000
Gibbula albidaFrance / Biscay Gulf1973
Gibbula albidaFrance / Celtic seas1984
Gibbula albidaFrance / English Channel2017
Gibbula albidaSpain / Iberian Coastal1984
Gibbula ardensFrance / North Sea2010
Gibbula cinerariaNetherlands1980 - 1989
Glabropilumnus laevisItaly / Western Mediterranean1956
Gloniella clavatisporaUkraine / Black Sea2002
Glycera capitataUkraine / Black Sea1970 - 1979
Glycera dayiSpain / Canary IslandsTo 2001
Glycera dayiSpain / Iberian CoastalTo 2007
Glycinde bonhoureiGreece / Eastern Mediterranean2007
Glycymeris glycymerisNetherlandsTo 2017
Glyphidohaptor plectocirraGreece / Eastern Mediterranean2010
Gmelinoides fasciatusRussia / Baltic Sea / St. Petersburg area1996
Gobiosoma boscBelgium2018
Gobiosoma boscGermany / North Sea2009
Gobiosoma boscNetherlands2017
Gobius cruentatusTurkey / Black Sea2006
Gobius cruentatusUkraine / Black Sea2002
Gobius xanthocephalusGeorgia2000 - 2009
Gobius xanthocephalusUkraine / Black Sea1967
Godiva quadricolorItaly / Adriatic Sea2011
Godiva quadricolorItaly / Central Mediterranean2015
Godiva quadricolorItaly / Western Mediterranean1985
Godiva quadricolorSpain / Iberian Coastal2006
Goneplax rhomboidesGermany / North Sea2008
Goneplax rhomboidesNetherlands2008
Goneplax rhomboidesNorway / North Sea2009
Goniadella gracilisFrance / Biscay Gulf2001
Goniadella gracilisFrance / Celtic seasTo 2001
Goniadella gracilisFrance / English Channel1982
Goniadella gracilisNorway / North SeaTo 2012
Goniadella gracilisNorway / Norwegian SeaTo 2010
Goniadella gracilisPortugal / Iberian CoastalTo 2017
Goniadella gracilisUnited Kingdom (Britain) / Celtic seas1970
Goniadella gracilisUnited Kingdom (Britain) / North Sea / Orkney Islands2018
Goniobranchus annulatusGreece / Eastern Mediterranean2004
Gonioinfradens paucidentatusGreece / Eastern Mediterranean2010
Gonionemus vertensBelgium1946
Gonionemus vertensDenmark / Baltic Sea1960
Gonionemus vertensDenmark / North Sea1960
Gonionemus vertensFrance / Biscay Gulf1867
Gonionemus vertensFrance / Celtic seas1867
Gonionemus vertensFrance / English Channel1929
Gonionemus vertensFrance / North Sea1913
Gonionemus vertensFrance / Western Mediterranean2016
Gonionemus vertensGermany / North Sea1947
Gonionemus vertensItaly / Adriatic Sea1972
Gonionemus vertensItaly / Western Mediterranean1957 - 1958
Gonionemus vertensNetherlands1960
Gonionemus vertensNorway / North Sea1921
Gonionemus vertensNorway / Norwegian Sea1921
Gonionemus vertensPortugal / Iberian CoastalTo 1700
Gonionemus vertensSweden / North Sea1921 - 1923
Gonionemus vertensUnited Kingdom (Britain) / Celtic seas / Channel Islands1924
Gonionemus vertensUnited Kingdom (Britain) / English ChannelTo 1963
Gonionemus vertensUnited Kingdom (Britain) / North Sea1913
Goniotrichopsis sublittoralisFrance / Biscay Gulf1975
Goniotrichopsis sublittoralisFrance / Celtic seas1975
Goniotrichopsis sublittoralisFrance / Western Mediterranean1998
Gracilaria armataTurkey / Black Sea2000 - 2009
Gracilaria chordaFrance / Biscay Gulf2010
Gracilaria multipartitaIreland1977
Gracilipurpura rostrataFrance / English Channel2007
Grallatoria reptansPortugal / Azores2005 - 2007
Grallatoria reptansSpain / Canary IslandsTo 1995
Grandidierella japonicaFrance / Biscay Gulf2010
Grandidierella japonicaFrance / Celtic seas2015
Grandidierella japonicaGermany / Baltic Sea2015
Grandidierella japonicaItaly / Adriatic Sea2015
Grandidierella japonicaItaly / Western Mediterranean2013
Grandidierella japonicaSweden / Baltic Sea2010
Grandidierella japonicaUnited Kingdom (Britain) / English Channel1997
Grandidierella japonicaUnited Kingdom (Britain) / North Sea2004 - 2005
Grateloupia asiaticaFrance / Western Mediterranean1984
Grateloupia imbricataPortugal / MadeiraTo 2005
Grateloupia imbricataSpain / Canary IslandsTo 2008
Grateloupia lanceolataFrance / Western Mediterranean1982
Grateloupia lanceolataPortugal / MadeiraTo 2006
Grateloupia luxuriansUnited Kingdom (Britain) / English ChannelTo 1947
Grateloupia minimaFrance / Western Mediterranean1998
Grateloupia minimaItaly / Central Mediterranean2010
Grateloupia patensFrance / Western Mediterranean1994
Grateloupia subpectinataDenmark / Baltic Sea2015
Grateloupia subpectinataDenmark / North Sea2015
Grateloupia subpectinataFrance / Biscay GulfTo 1992
Grateloupia subpectinataFrance / Celtic seas1992
Grateloupia subpectinataFrance / English Channel1992
Grateloupia subpectinataFrance / Western Mediterranean2001
Grateloupia subpectinataPortugal / AzoresFrom 1914
Grateloupia subpectinataSpain / Iberian Coastal1990
Grateloupia subpectinataUnited Kingdom (Britain) / Celtic seas / Channel Islands1947
Grateloupia turuturuFrance / Biscay Gulf1989
Grateloupia turuturuFrance / Celtic seas1989
Grateloupia turuturuFrance / English Channel1992
Grateloupia turuturuFrance / Western Mediterranean1982
Grateloupia turuturuItaly / Adriatic Sea1989
Grateloupia turuturuItaly / Central Mediterranean2007
Grateloupia turuturuNetherlands1993
Grateloupia turuturuPortugal / Azores1914
Grateloupia turuturuPortugal / Iberian Coastal1997
Grateloupia turuturuPortugal / MadeiraTo 2002
Grateloupia turuturuSpain / Iberian Coastal1990
Grateloupia turuturuUnited Kingdom (Britain) / Celtic seas1969
Grateloupia turuturuUnited Kingdom (Britain) / English Channel1969
Grateloupia yinggehaiensisItaly / Adriatic Sea2008 - 2013
Griffithsia corallinoidesFrance / English Channel1954
Griffithsia corallinoidesFrance / North Sea1977
Griffithsia corallinoidesFrance / Western Mediterranean1984
Griffithsia corallinoidesItaly / Western Mediterranean1963 - 1964
Griffithsia corallinoidesPortugal / Azores1990
Gymnodinium aureolumBulgaria2008
Gymnodinium aureolumFrance / Biscay Gulf1987
Gymnodinium aureolumFrance / English Channel1976
Gymnodinium aureolumGermany / North SeaTo 1968
Gymnodinium aureolumNorway / North Sea1966
Gymnodinium aureolumNorway / Norwegian Sea1966
Gymnodinium aureolumRomania2007
Gymnodinium aureolumUkraine / Black SeaFrom 2002
Gymnodinium catenatumBulgaria2008
Gymnodinium catenatumGreece / Eastern Mediterranean1989
Gymnodinium catenatumNetherlands1991
Gymnodinium catenatumPortugal / Iberian CoastalTo 1898
Gymnodinium catenatumSpain / Iberian Coastal1976
Gymnodinium catenatumUkraine / Black Sea2001
Gymnodinium catenatumUnited Kingdom (Britain) / English Channel 
Gymnodinium fuscumBulgaria1980 - 1989
Gymnodinium microreticulatumPortugal / Iberian CoastalTo 1999
Gymnodinium nanumBulgaria2008
Gymnodinium nolleriGermany / Baltic SeaTo 1993
Gymnodinium nolleriGermany / North SeaTo 1992
Gymnodinium nolleriSweden / North SeaTo 2003
Gymnodinium pulchrumBulgaria1999
Gymnodinium radiatumGeorgia2000
Gymnodinium radiatumUkraine / Black SeaFrom 1998
Gymnodinium stellatumGeorgia2008
Gymnodinium stellatumRussia / Black Sea2008
Gymnodinium uberrimumBulgaria1991
Gymnodinium uberrimumTurkey / Black Sea1998
Gymnodinium uberrimumUkraine / Black SeaFrom 1999
Gymnogongrus crenulatusAustralia / Bass strait1969
Gymnomuraena zebraDenmark / Baltic Sea2002
Gymnomuraena zebraDenmark / North Sea2002
Gymnophycus hapsiphorusSpain / Canary Islands1989
Gymnothamnion elegansAustralia / Bass strait1993
Gyrodactylus mugiliUkraine / Black SeaFrom 1995
Gyrodactylus salarisNorway / North Sea1971 - 1980
Gyrodactylus salarisNorway / Norwegian Sea1971 - 1980
Gyrodactylus zhukoviUkraine / Black SeaFrom 1995
Gyrodinium cochleaBulgaria2008
Gyrodinium corallinumSweden / North SeaTo 2001
Gyrodinium flagellareBulgaria2008
Gyrodinium impudicumUkraine / Black SeaFrom 2001
Gyrodinium instriatumUkraine / Black SeaFrom 2003
Gyrodinium variansBulgaria2008
Halecium delicatulumAustralia / Bass strait1966
Halichondria paniceaUSA / California Current2012
Haliclona (Haliclona) simulansNetherlands2001
Haliclona (Reniera) cinereaNetherlands1951
Haliclona (Rhizoniera) roseaAustralia / Bass strait1996
Haliclona (Rhizoniera) roseaNetherlands1951
Haliclona Haliclona) urceolusNetherlands1985
Haliclona indistinctaPortugal / MadeiraTo 2012
Haliclona xenaBelgiumTo 1988
Haliclona xenaGermany / North SeaTo 2007
Haliclona xenaNetherlandsTo 1977
Haliclona xenaUSA / California Current2012
Haliclystus salpinxNetherlands2010
Haliclystus tenuisGermany / North Sea2010
Haligena elaterophoraUkraine / Black Sea1991
Haliotis discusChina / Yellow SeaTo 2001
Haliotis discusIreland1985
Haliotis fulgensChina / Yellow SeaTo 2001
Haliotis giganteaChina / Yellow SeaFrom 2004
Haliotis rufescensChina / Yellow SeaTo 2001
Haliotis tuberculataIreland1976
Halisarca dujardiniiAustralia / Bass strait1996
Halisarca dujardiniiNetherlands2005
Halisarca dujardiniiUSA / California Current2012
Halophila decipiensGreece / Eastern Mediterranean2018
Halophila stipulaceaGreece / Central Mediterranean1958
Halophila stipulaceaGreece / Eastern Mediterranean1894
Halophila stipulaceaItaly / Central Mediterranean1988
Halophila stipulaceaItaly / Western Mediterranean1995
Halosarpheia phragmiticolaUkraine / Black Sea2006
Halothrix lumbricalisFrance / Western Mediterranean1985
Halothrix lumbricalisItaly / Adriatic Sea1992
Halothrix lumbricalisItaly / Central Mediterranean1978
Halothrix lumbricalisTurkey / Black Sea1998
Haminoea japonicaFrance / Biscay Gulf1993
Haminoea japonicaFrance / English Channel2013
Haminoea japonicaFrance / Western Mediterranean2003
Haminoea japonicaItaly / Adriatic Sea1992
Haminoea japonicaItaly / Western Mediterranean2007 - 2012
Haminoea japonicaSpain / Iberian Coastal1989
Haminoea solitariaDenmark / Baltic Sea2020
Haminoea solitariaDenmark / North Sea2020
Haminoea solitariaGermany / Baltic Sea2016
Haplosporidium armoricanumFrance / English ChannelTo 1974
Haplosporidium armoricanumNetherlands1974
Haplosporidium armoricanumSpain / Iberian Coastal1999
Haplosporidium nelsoniFrance / Biscay Gulf1970 - 1979
Haplosporidium nelsoniFrance / Celtic seas1979
Haplosporidium nelsoniFrance / English Channel1970 - 1979
Haplosporidium nelsoniFrance / North Sea1970 - 1979
Haplosporidium nelsoniFrance / Western Mediterranean1970 - 1979
Haplosporidium nelsoniIreland1993 - 2007
Hediste diversicolorRussia / Caspian Sea1944
Heleobia charruanaBelgiumTo 2018
Heleobia charruanaNetherlands2018
Hemigrapsus penicillatusBelgium2003
Hemigrapsus penicillatusFrance / Biscay Gulf1994
Hemigrapsus penicillatusFrance / Celtic seas1994
Hemigrapsus penicillatusFrance / English Channel1994
Hemigrapsus penicillatusNetherlands2000
Hemigrapsus penicillatusSpain / Iberian CoastalTo 1996
Hemigrapsus sanguineusBelgiumTo 2011
Hemigrapsus sanguineusDenmark / Baltic Sea2017
Hemigrapsus sanguineusDenmark / North Sea2011
Hemigrapsus sanguineusFrance / Biscay Gulf1999
Hemigrapsus sanguineusFrance / English Channel1999
Hemigrapsus sanguineusFrance / North Sea2000
Hemigrapsus sanguineusGermany / North Sea2006
Hemigrapsus sanguineusNetherlands1999
Hemigrapsus sanguineusRomania2008
Hemigrapsus sanguineusSweden / North Sea2012
Hemigrapsus takanoiBelgium2003
Hemigrapsus takanoiDenmark / Baltic Sea2018
Hemigrapsus takanoiDenmark / North Sea2011
Hemigrapsus takanoiFrance / Biscay Gulf1994
Hemigrapsus takanoiFrance / Celtic seas1999
Hemigrapsus takanoiFrance / English Channel1994
Hemigrapsus takanoiFrance / North Sea1999
Hemigrapsus takanoiGermany / Baltic Sea2014
Hemigrapsus takanoiGermany / North Sea2007
Hemigrapsus takanoiNetherlands1999
Hemigrapsus takanoiSweden / Baltic SeaTo 2019
Hemigrapsus takanoiSweden / North Sea2016
Hemimysis anomalaBelgium1999
Hemimysis anomalaEstonia2009
Hemimysis anomalaFinland1992
Hemimysis anomalaFrance / Celtic seas2000
Hemimysis anomalaFrance / English Channel2000
Hemimysis anomalaFrance / North Sea2000
Hemimysis anomalaGermany / Baltic Sea1995 - 2015
Hemimysis anomalaGermany / North Sea1997
Hemimysis anomalaIreland2007
Hemimysis anomalaLithuania1962
Hemimysis anomalaNetherlands1997
Hemimysis anomalaPoland2002
Hemimysis anomalaRussia / Baltic Sea / Kaliningrad area1962
Hemimysis anomalaRussia / Baltic Sea / St. Petersburg area1992
Hemimysis anomalaSweden / Baltic Sea1995
Hemiramphus farGreece / Eastern Mediterranean1943
Hemiramphus farItaly / Central Mediterranean2013
Heniochus acuminatusUkraine / Black SeaFrom 2003
Herdmania momusGreece / Eastern Mediterranean2010
Herposiphonia parcaFrance / Biscay Gulf2005
Herposiphonia parcaFrance / Western Mediterranean1997
Herrmannella dugganiFrance / Biscay Gulf1955
Herrmannella dugganiIreland1982
Hesionides arenariaUkraine / Black Sea1960 - 1969
Hesionura serrataItaly / Adriatic Sea2010
Hesperibalanus fallaxFrance / Biscay Gulf2008
Hesperibalanus fallaxFrance / English Channel1976
Hesperibalanus fallaxPortugal / Iberian Coastal2015
Hesperibalanus fallaxUnited Kingdom (Britain) / Celtic seas1994
Hesperibalanus fallaxUnited Kingdom (Britain) / English Channel1994
Heterolaophonte hamondiIreland1986
Heterosigma akashiwoDenmark / Baltic Sea1989
Heterosigma akashiwoDenmark / North Sea1989
Heterosigma akashiwoFrance / Biscay Gulf1990
Heterosigma akashiwoFrance / English Channel1993
Heterosigma akashiwoFrance / Western Mediterranean1996
Heterosigma akashiwoGermany / Baltic SeaTo 2012
Heterosigma akashiwoGermany / North SeaTo 1993
Heterosigma akashiwoIceland1987
Heterosigma akashiwoIreland1970 - 1976
Heterosigma akashiwoNetherlandsTo 1992
Heterosigma akashiwoNorway / North Sea1964
Heterosigma akashiwoUnited Kingdom (Britain) / English Channel1950
Heterosigma carteraeNorway / North SeaTo 1979
Heterostegina depressaGreece / Eastern Mediterranean1980 - 1988
Heterostigma sp.Canada / Hudson Bay ComplexTo 2012
Hexaplex trunculusFrance / Biscay Gulf1996
Hexaplex trunculusFrance / Celtic seas1996
Hexaplex trunculusNetherlandsTo 2007
Hexaplex trunculusPortugal / AzoresTo 1919
Hexaplex trunculusPortugal / MadeiraTo 1994
Hexaplex trunculusSpain / Iberian Coastal2005
Hiatella arcticaPortugal / AzoresTo 1969
Hildenbrandia crouaniorumBulgaria2000 - 2009
Hildenbrandia occidentalisAustralia / Bass strait1981
Hildenbrandia occidentalisFrance / English Channel2011
Hildenbrandia rubraAustralia / Bass strait1981
Hillea fusiformisGeorgia2000
Hillea fusiformisRomania1991
Hillea fusiformisRussia / Black Sea2001
Hillea fusiformisUkraine / Black SeaFrom 1948
Hincksia granulosaAustralia / Bass strait1971
Hincksia ovataAustralia / Bass strait1971
Hincksia sandrianaAustralia / Bass strait1971
Hippothoa divaricataAustralia / Bass strait1971
Hobaniella longicrurisNetherlandsTo 2009
Holocentrus adscensionisFrance / Western Mediterranean2019
Homarus americanusDenmark / Baltic Sea2006
Homarus americanusDenmark / North Sea2006
Homarus americanusFrance / Biscay Gulf2002
Homarus americanusFrance / Celtic seas2002
Homarus americanusFrance / English ChannelTo 2005
Homarus americanusGermany / Baltic Sea2014
Homarus americanusIceland1965
Homarus americanusIreland1961
Homarus americanusNetherlands2010
Homarus americanusNorway / North Sea1999
Homarus americanusNorway / Norwegian SeaTo 2012
Homarus americanusSweden / North Sea2008
Homarus americanusUnited Kingdom (Britain) / North Sea2004
Huso husoDenmark / Baltic Sea2010
Huso husoEstonia1962
Huso husoLatvia1962
Hydroides brachyacanthaGreece / Eastern Mediterranean2015
Hydroides dianthusFrance / Biscay Gulf1927
Hydroides dianthusFrance / Celtic seas1927
Hydroides dianthusFrance / North Sea2000
Hydroides dianthusFrance / Western Mediterranean1967
Hydroides dianthusItaly / Adriatic Sea1874
Hydroides dianthusItaly / Central MediterraneanTo 1899
Hydroides dianthusItaly / Western Mediterranean1865
Hydroides dianthusUkraine / Black Sea2009
Hydroides dianthusUnited Kingdom (Britain) / English Channel1970
Hydroides diramphaGreece / Central Mediterranean1981
Hydroides diramphaGreece / Eastern Mediterranean2014
Hydroides diramphaItaly / Adriatic Sea2014
Hydroides diramphaItaly / Central Mediterranean1979
Hydroides diramphaItaly / Western Mediterranean1870
Hydroides elegansFrance / Western MediterraneanTo 1944
Hydroides elegansGreece / Central Mediterranean2012
Hydroides elegansGreece / Eastern Mediterranean1976
Hydroides elegansItaly / Adriatic Sea1934 - 1938
Hydroides elegansItaly / Central Mediterranean1964
Hydroides elegansItaly / Western MediterraneanTo 1850
Hydroides elegansNetherlands1973
Hydroides elegansPortugal / AzoresTo 2000
Hydroides elegansUnited Kingdom (Britain) / English Channel1937
Hydroides ezoensisFrance / Biscay Gulf1968
Hydroides ezoensisFrance / Celtic seas1974
Hydroides ezoensisFrance / English Channel1973
Hydroides ezoensisUnited Kingdom (Britain) / English ChannelTo 1976
Hydroides norvegicaAustralia / Bass strait1975
Hymeniacidon perlevisNetherlandsTo 1951
Hymeniacidon sinapiumUSA / California Current2012
Hypania invalidaBelgiumTo 2000
Hypania invalidaGermany / Baltic Sea2010
Hypania invalidaGermany / North Sea1995
Hypania invalidaPoland2010
Hypanis glabraUkraine / Black SeaFrom 2004
Hypereteone heteropodaDenmark / North SeaTo 2017
Hypleurochilus bermudensisDenmark / Baltic Sea1934
Hypnea anastomosansGreece / Eastern Mediterranean2008
Hypnea cervicornisItaly / Adriatic Sea2009
Hypnea cornutaGreece / Eastern Mediterranean1894
Hypnea cornutaItaly / Central Mediterranean2000
Hypnea flagelliformisPortugal / Azores2005 - 2007
Hypnea musciformisFrance / Biscay Gulf1896
Hypnea musciformisFrance / English Channel1896
Hypnea musciformisFrance / North Sea2005
Hypnea musciformisPortugal / Azores1929
Hypnea spinellaFrance / Western MediterraneanTo 2005
Hypnea spinellaGreece / Central Mediterranean2013
Hypnea spinellaGreece / Eastern Mediterranean1979
Hypnea spinellaItaly / Adriatic Sea2010
Hypnea spinellaItaly / Central Mediterranean1985
Hypnea spinellaItaly / Western Mediterranean1989 - 1990
Hypnea valentiaeFrance / Biscay Gulf2005
Hypnea valentiaeFrance / Western Mediterranean1993
Hypnea valentiaeGreece / Eastern Mediterranean2009
Hypophthalmichthys molitrixBelgiumTo 1988
Hypophthalmichthys molitrixGermany / North SeaTo 1998
Hypophthalmichthys molitrixLatvia1960
Hypophthalmichthys molitrixNetherlandsTo 1998
Hypophthalmichthys molitrixPoland1964
Hypophthalmichthys molitrixRussia / Baltic Sea / Kaliningrad area1958
Hypophthalmichthys nobilisDenmark / Baltic Sea1987
Hypophthalmichthys nobilisEstonia2002
Hypophthalmichthys nobilisLatvia2002
Hypselodoris infucataGreece / Eastern Mediterranean2007
Ianiropsis serricaudisFrance / Biscay Gulf2013
Ianiropsis serricaudisFrance / English Channel2019
Ianiropsis serricaudisFrance / Western MediterraneanFrom 2015
Ianiropsis serricaudisItaly / Adriatic Sea2012
Ianiropsis serricaudisItaly / Western Mediterranean2014
Ianiropsis serricaudisNetherlands2000
Ianiropsis serricaudisUnited Kingdom (Britain) / English Channel2004
Ictalurus punctatusEstonia2001
Idyella pallidulaUkraine / Black SeaFrom 1964
Imogine necopinataNetherlandsTo 2005
Incisocalliope aestuariusBelgiumTo 1991
Incisocalliope aestuariusFrance / Biscay Gulf2015
Incisocalliope aestuariusFrance / English Channel1991
Incisocalliope aestuariusFrance / North Sea1991
Incisocalliope aestuariusGermany / North SeaTo 2016
Incisocalliope aestuariusNetherlands1991
Indothais laceraItaly / Western Mediterranean1983
Iphigenella shablensisRussia / Caspian Sea1969
Iridaea spIreland1972
Isochrysis spp.Ireland1970 - 1979
Isognomon legumenGreece / Eastern Mediterranean2016
Isognomon legumenItaly / Central Mediterranean2019
Isognomon radiatusIreland1996
Isolda pulchellaPortugal / Iberian CoastalTo 2017
Ixa monodiGreece / Eastern Mediterranean1999
Jaera (Jaera) istriBelgiumTo 2000
Jaera (Jaera) istriGermany / North Sea1995
Jania longifurcaPortugal / Azores1986
Jania longifurcaTurkey / Black Sea2000 - 2009
Janolus hyalinusAustralia / Bass strait1986
Jassa marmorataAustralia / Bass strait1997
Jassa marmorataBelgiumTo 2011
Jassa marmorataDenmark / North Sea2003
Jassa marmorataFrance / Biscay GulfTo 1992
Jassa marmorataGermany / Baltic Sea2010
Jassa marmorataGermany / North Sea1999
Jassa marmorataIrelandTo 1983
Jassa marmorataItaly / Adriatic Sea1977 - 1981
Jassa marmorataItaly / Central MediterraneanFrom 1976
Jassa marmorataItaly / Western Mediterranean1974
Jassa marmorataNetherlandsTo 2009
Jassa marmorataUnited Kingdom (Britain) / North Sea / Orkney IslandsFrom 2013
Jassa slatteryiItaly / Adriatic Sea2000
Jassa slatteryiItaly / Central Mediterranean1952
Jassa slatteryiItaly / Western Mediterranean2007
Jasus lalandiiPortugal / Iberian CoastalTo 1982
Jellyella tuberculataSpain / Canary IslandsTo 2003
Kaloplocamus ramosusAustralia / Bass straitTo 1950
Kapraunia schneideriItaly / Adriatic Sea2016
Karenia brevisulcataFrance / Biscay Gulf2009
Karenia mikimotoiDenmark / Baltic Sea1981 - 1989
Karenia mikimotoiDenmark / North SeaTo 1968
Karenia mikimotoiFrance / Biscay GulfTo 1985
Karenia mikimotoiFrance / Celtic seas1976
Karenia mikimotoiFrance / English Channel1976
Karenia mikimotoiFrance / North Sea1989
Karenia mikimotoiFrance / Western MediterraneanTo 1985
Karenia mikimotoiGermany / Baltic Sea1981 - 1989
Karenia mikimotoiGermany / North Sea1968
Karenia mikimotoiGreece / Eastern Mediterranean1989
Karenia mikimotoiIreland1976
Karenia mikimotoiNetherlands1989
Karenia mikimotoiNorway / North SeaTo 1966
Karenia mikimotoiPortugal / Iberian CoastalTo 2007
Karenia mikimotoiSpain / Iberian CoastalTo 2006
Karenia mikimotoiSweden / Baltic Sea1980 - 1987
Karenia mikimotoiSweden / North Sea1981
Karenia mikimotoiUnited Kingdom (Britain) / Celtic seas1971
Karenia mikimotoiUnited Kingdom (Britain) / English Channel1971
Karenia mikimotoiUnited Kingdom (Britain) / North Sea2006
Karenia mikimotoiUnited Kingdom (Britain) / North Sea / Orkney IslandsTo 2006
Karenia papilionaceaFrance / Biscay Gulf1994
Karenia papilionaceaFrance / Celtic seas1994
Karenia papilionaceaFrance / English Channel1994
Karenia umbellaFrance / Biscay Gulf2008
Karenia umbellaFrance / English Channel2008
Karlodinium decipiensFrance / Biscay Gulf2009
Karlodinium decipiensFrance / English Channel2010
Karlodinium veneficumGermany / North SeaTo 2009
Karlodinium veneficumNorway / North SeaTo 2002
Kirchenpaueria halecioidesPortugal / AzoresTo 1989
Koinostylochus ostreophagusFrance / Biscay Gulf1970 - 1979
Koinostylochus ostreophagusFrance / Celtic seas1979
Koinostylochus ostreophagusFrance / English Channel1970
Kuckuckia spinosaAustralia / Bass strait1971
Kyphosus sectatrixFrance / Western Mediterranean2006
Labyrinthula zosteraeGermany / North Sea1935
Labyrinthula zosteraeIreland1926 - 1934
Laeospira berkeleyanaFrance / Western Mediterranean1977
Laeospira berkeleyanaPortugal / MadeiraTo 1980
Lagocephalus guentheriGreece / Central Mediterranean2005
Lagocephalus guentheriGreece / Eastern Mediterranean1952
Lagocephalus sceleratusGreece / Adriatic Sea2018
Lagocephalus sceleratusGreece / Central Mediterranean2009
Lagocephalus sceleratusGreece / Eastern Mediterranean2005
Lagocephalus sceleratusItaly / Adriatic Sea2014
Lagocephalus sceleratusItaly / Central Mediterranean2013 - 2014
Lagocephalus sceleratusItaly / Western Mediterranean2014
Lagocephalus sceleratusSpain / Iberian Coastal2014
Lagocephalus suezensisGreece / Eastern Mediterranean2003
Lamprohaminoea ovalisGreece / Central Mediterranean2001
Lamprohaminoea ovalisGreece / Eastern Mediterranean2005
Lamprohaminoea ovalisItaly / Central Mediterranean2007
Lamprohaminoea ovalisItaly / Western Mediterranean2008
Laonome calidaBelgiumTo 2014
Laonome calidaNetherlands2009
Laonome sp.Estonia2012
Laonome sp.Latvia2014
Laonome sp.Poland2015
Laonome sp.Sweden / Baltic Sea2014
Laonome xeprovala sp. nov.Finland2016
Laonome xeprovala sp. nov.Germany / Baltic Sea2016
Laonome xeprovala sp. nov.Germany / North Sea2016
Lateolabrax japonicusUkraine / Azov Sea1960 - 1979
Lateolabrax japonicusUkraine / Black Sea1960 - 1979
Latopilumnus malardiFrance / English Channel1910
Laurencia brongniartiiFrance / Celtic seas1989
Laurencia brongniartiiFrance / English Channel1989
Laurencia brongniartiiPortugal / Azores2005 - 2007
Laurencia caduciramulosaFrance / Western Mediterranean2002
Laurencia caduciramulosaGreece / Central Mediterranean2001
Laurencia caduciramulosaGreece / Eastern Mediterranean2009
Laurencia caduciramulosaItaly / Central Mediterranean1991
Laurencia chondrioidesGreece / Central Mediterranean1998
Laurencia chondrioidesGreece / Eastern Mediterranean2006
Laurencia chondrioidesPortugal / Azores2005 - 2007
Laurencia dendroideaPortugal / Azores2005 - 2007
Laurencia majusculaPortugal / Azores2005 - 2007
Laurencia majusculaPortugal / MadeiraTo 2001
Laurencia okamuraeFrance / Western Mediterranean1984
Leathesia marinaAustralia / Bass strait1971
Leathesia marinaFrance / Western Mediterranean1905
Leathesia marinaItaly / Adriatic Sea1996
Leathesia marinaPortugal / Azores1897
Leiocapitellides analisGreece / Eastern Mediterranean2000
Leiochrides australisItaly / Western Mediterranean1990
Lennoxia faveolataGermany / Baltic Sea2009
Lennoxia faveolataGermany / North Sea2009
Lennoxia faveolataSweden / Baltic Sea2007
Leonnates persicusGreece / Eastern Mediterranean2013
Lepidodinium chlorophorumDenmark / Baltic Sea1999
Lepidodinium chlorophorumDenmark / North Sea1999
Lepidonotus tenuisetosusGreece / Eastern Mediterranean2008
Lepomis gibbosusNorway / North SeaTo 2004
Lepomis gibbosusPoland1927
Lepomis gibbosusUkraine / Black Sea1949 - 2002