Public domain: Species accounts (292 / 1904)

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Species
Pachycordyle michaeli
Pachyegis brunnea
Pachygrapsus marmoratus
Pachygrapsus transversus
Pachymeniopsis gargiuloi
Pachymeniopsis lanceolata
Pacifastacus leniusculus
Pacificincola perforata
Padina boergesenii
Padina boryana
Pagurus longicarpus
Palaemon adspersus
Palaemon elegans
Palaemon longirostris
Palaemon macrodactylus
Palaemonella rotumana
Palisada intermedia
Palisada maris-rubri
Palisada perforata
Palmadusta lentiginosa
Palola valida
Pandalus latirostris
Panulirus guttatus
Panulirus longipes longipes
Panulirus ornatus
Papenfussiella kuromo
Papilloculiceps longiceps
Parablennius incognitus
Paracanthurus hepatus
Paracaprella pusilla
Paracartia grani
Paracerceis sculpta
Paradella dianae
Paradoxostoma angliorum
Paralaeospira malardi
Paraleucilla magna
Paralichthys lethostigma
Paralithodes camtschaticus
Parametopella cypris
Paramphiascella vararensis
Paramysis (Mesomysis) intermedia
Paramysis (Serrapalpisis) lacustris
Paranais botniensis
Paranais frici
Paranthura japonica
Paraonides nordica
Paraphyllina ransoni
Parapilumnus malardi
Paraprionospio coora
Parasagitta setosa
Parasmittina alba
Parasmittina egyptiaca
Parasmittina multiaviculata
Parasmittina protecta
Parasmittina trispinosa
Paratapes textilis
Paratenuisentis ambiguus
Parexocoetus mento
Parkermavella globifera
Parthenina cossmanni
Parthenina typica
Parupeneus forsskali
Parviphycus pannosus
Parvocalanus crassirostris
Parvocaulis parvulus
Patella vulgata
Paucibranchia adenensis
Pegophysema philippiana
Pelates quadrilineatus
Pempheris rhomboidea
Penaeus aztecus
Penaeus hathor
Penaeus japonicus
Penaeus pulchricaudatus
Penaeus semisulcatus
Peneroplis arietinus
Penilia avirostris
Perccottus glenii
Percnon gibbesi
Perforatus perforatus
Peridiniella danica
Peridiniopsis polonicum
Peridinium quadridentatum
Perisesarma alberti
Perkinsus chesapeaki
Perkinsus olsenii
Perkinsyllis augeneri
Perna perna
Perophora japonica
Perophora multiclathrata
Perophora viridis
Petalonia binghamiae
Petalonia fascia
Petricolaria pholadiformis
Petroscirtes ancylodon
Petrospongium rugosum
Peyssonnelia conchicola
Peyssonnelia rosa-marina
Pfiesteria piscicida
Pfiesteria shumwayae
Phaenna spinifera
Phaeocystis pouchetii
Phallusia mammillata
Phallusia nigra
Pherusella brevituba
Phialella quadrata
Phidiana militaris
Philinopsis speciosa
Phorbas tenacior
Phorcus lineatus
Photis lamellifera
Phrix spatulata
Phyllodicola petiti
Phyllodoce groenlandica
Phyllodoce longifrons
Phyllopodopsyllus bradyi
Phyllorhiza punctata
Physa sp.
Physella acuta
Piaractus brachypomus
Pigrogromitus timsanus
Pikea californica
Pileolaria berkeleyana
Pileolaria militaris
Pilumnoides inglei
Pilumnopeus vauquelini
Pilumnus hirtellus
Pilumnus spinifer
Pinctada imbricata radiata
Pinctada margaritifera
Pinguipes brasilianus
Pinnularia trevelyana
Pisinna glabrata
Pista unibranchia
Plagiolemma distortum
Plagusia squamosa
Planaxis savignyi
Planiliza haematocheila
Planogypsina acervalis
Planorbarius corneus
Platax teira
Platichthys flesus
Platorchestia platensis
Platycephalus armatus
Platycephalus indicus
Platysiphonia caribaea
Plecoglossus altivelis altivelis
Pleopis polyphaemoides
Pleurobranchus forskalii
Pleurosigma planctonicum
Pleurosigma simonsenii
Plocamium secundatum
Plocamopherus ocellatus
Plotosus lineatus
Plumatella casmiana
Plumularia obliqua
Plumularia setacea
Podon intermedius
Poecilia reticulata
Pollia dorbignyi
Pollicipes pollicipes
Polyandrocarpa zorritensis
Polycera hedgpethi
Polycerella emertoni
Polycirrus twisti
Polyclinum aurantium
Polyclinum constellatum
Polydora aggregata
Polydora ciliata
Polydora colonia
Polydora cornuta
Polydora hoplura
Polydora onagawaensis
Polydora triglanda
Polydora websteri
Polylabris cf. mamaevi
Polyopes lancifolius
Polysiphonia atlantica
Polysiphonia morrowii
Polysiphonia paniculata
Polysiphonia schneideri
Polysiphonia senticulosa
Polysiphonia subtilissima
Pomacanthus imperator
Pomadasys stridens
Pomatoschistus bathi
Pontastacus leptodactylus
Pontogammarus robustoides
Porcellidium ovatum
Poropila dubia
Porphyra minor
Porphyra tenera
Porphyra umbilicalis
Porphyra yezoensis
Portunus segnis
Potamopyrgus antipodarum
Potamothrix bavaricus
Potamothrix bedoti
Potamothrix hammoniensis
Potamothrix heuscheri
Potamothrix moldaviensis
Potamothrix vejdovskyi
Praunus flexuosus
Predaea huismanii
Priacanthus sagittarius
Primavelans glabricollaris
Prionace glauca
Prionospio aluta
Prionospio pulchra
Proameira simplex
Proasellus coxalis
Proboscia indica
Procambarus acutus
Procambarus clarkii
Procambarus fallax f. virginalis
Proceraea cornuta
Pronoctiluca pelagica
Prorocentrum borbonicum
Prorocentrum cordatum
Prorocentrum dentatum
Prorocentrum emarginatum
Prorocentrum gracile
Prorocentrum levis
Prorocentrum lima
Prorocentrum mexicanum
Prorocentrum triestinum
Proterorhinus marmoratus
Proterorhinus nasalis
Protoceratium reticulatum
Protocystis swerei
Protodorvillea biarticulata
Protodorvillea egena
Protomonostroma undulatum
Protoperidinium minutum
Protoperidinium parthenopes
Psammacoma gubernaculum
Psammoryctides moravicus
Pseudechidna brummeri
Pseudo-nitzschia australis
Pseudo-nitzschia calliantha
Pseudo-nitzschia inflatula
Pseudo-nitzschia multistriata
Pseudo-nitzschia obtusa
Pseudo-nitzschia pungens
Pseudobacciger harengulae
Pseudobiceros stellae
Pseudoceros duplicinctus
Pseudochattonella farcimen
Pseudochattonella verruculosa
Pseudocuma (Stenocuma) graciloides
Pseudodactylogyrus anguillae
Pseudodactylogyrus bini
Pseudodiaptomus marinus
Pseudolithoderma roscoffense
Pseudominolia nedyma
Pseudomyicola spinosus
Pseudonereis anomala
Pseudopolydora paucibranchiata
Pseudorhaphitoma iodolabiata
Pseudosolenia calcar-avis
Psiloteredo megotara
Pteragogus trispilus
Pteria hirundo
Pterocladiella capillacea
Pterocladiella melanoidea
Pterois miles
Pteropurpura (Ocinebrellus) inornata
Pterosiphonia pinnulata
Pterosiphonia tanakae
Pterosperma cristatum
Pterosperma joergenseni
Ptilohyale explorator
Ptilohyale littoralis
Puellina innominata
Punctaria latifolia
Punctaria tenuissima
Purpuradusta gracilis notata
Pycnoclavella taureanensis
Pylaiella littoralis
Pyramimonas longicauda
Pyrgulina fischeri
Pyrgulina nana
Pyrgulina pirinthella
Pyrgulina pupaeformis
Pyrodinium bahamense
Pyromaia tuberculata
Pyropia koreana
Pyropia leucosticta
Pyropia njordii
Pyropia yezoensis
Pyrunculus fourierii
Pyura tessellata