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Adenophorea Allomalorhagida Amphibia Aplacophora Appendicularia Arachnida Articulata Ascidiacea Asteroidea Aves Bacillariophyceae Bangiophyceae Bicosoecophyceae Bivalvia Branchiopoda Bryopsidophyceae Calcarea Caudofoveata Cephalocarida Cephalopoda Cestoda Chlorophyceae Chromadorea Chrysophyceae Clitellata Compsopogonophyceae Copepoda Coscinodiscophyceae Crinoidea Cubozoa Cyclorhagida Deltaproteobacteria Demospongiae Dinophyceae Echinoidea Enoplea Enteropneusta Eoacanthocephala Equisetopsida Eucycliophora Eurotatoria Eutardigrada Filicopsida Florideophyceae Gastropoda Globothalamea Graptolithoidea Gymnolaemata Heterotardigrada Hexacorallia Hexactinellida Holothuroidea Homoscleromorpha Hoplonemertea Hydrozoa Ichthyostraca Inarticulata Incerate sedis (Dinoflagellata) Insecta Leptocardii Magnoliopsida Malacostraca Mammalia Merostomata Mesostigmatophyceae Monogenea Monoplacophora Monothalamea Mystacocarida Myxozoa Nodosariata Not assigned Nuda Octocorallia Oligohymenophorea Oligotrichea Ophiuroidea Orthonectida Ostracoda Palaeacanthocephala Palaeonemertea Pararotatoria Phaeophyceae Phylactolaemata Picomonadea Pilidiophora Polychaeta Polyplacophora Polythalamea Prasinophyceae Priapulomorpha Prymnesiophyceae Pycnogonida Remipedia Reptilia Rhodellophyceae Rhombozoa Sagittoidea Scaphopoda Scyphozoa Secernentea Seticoronaria Solenogastres Staurozoa Stenollaemata Stenolaemata Tentaculata Thaliacea Thecostraca Trebouxiophyceae Trematoda Tubothalamea Turbellaria Ulvophyceae Xanthophyceae Zygnematophyceae
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Balliales Cycloneritida Bicosoecales Polyarthra Tubulaniformes Fucales Plectida Volvocales Nudibranchia Monocotylidea Scalpellomorpha Corallimorpharia Poecilosclerida Adapedonta Stomatopoda Leptostraca Onchoproteocephalidea Halichondrida Macrodasyoidea Chaetophorales Solemyida Polymorphinida Tetractinellida Acochlidiacea Anthoathecata Actinulida Acoela Rhodopemorpha Acrochaetiales Rhabditida Ectocarpales Murrayonida Tethyida Nemertodermatida Miliolida Chiroptera Ctenostomatida Ophioleucida Limnomedusae Neritopsina Halocyprida Podicipediformes Sacoglossa Pyrosomatida Cumacea Sporochnales Camarodonta Thalassocalycida Monostilifera Ciconiiformes Chlorellales Platycopioida Not ssigned Neomeniamorpha Bonnemaisoniales Fragilariales Coronatae Pleurobranchida Azygiida Oscillatoriales Stigonematales Pedinoida Carinomiformes Archinemertea Chirodropida Cardiida Textulariida Not assigned Flosculariaceae Caenogastropoda Gastrochaenida Terebratulida Dactylogyridea Acanthobdellida Chaetosphaeridiales Gigartinales Sirenia Dasycladales Baerida Axinellida Ganeshida Molpadida Gyrodactylidea Acnanthales Sterrofustia Ulvales Hyocrinida Polypodiales Thalassiosirales Nuculanida Mastogloiales Lepetellida Monstrilloida Narcomedusae Ophioscolecida Comatulida Phaeophilales Seguenziida Plocamiales Strigeata Pteriida Ellobiida Spirulida Copelata Thalassionematales Archaeogastropoda Sessilida Apodida Umbraculida Holasteroida Procellariiformes Arbacioida Dendrogastrida Carditida Trichoptera Cetartiodactyla Rhynchobdellida Beroida Astrophorida Anaspidea Strigeatida Echinorhagata Brachypoda Pteropoda Architaenioglossa Suberitida Myrtales Neogastropoda Nectiopoda Antipatharia Rhizosoleniales Rhynchonellida Ctenopoda Cidaroida Tricladida Limida Echinoneoida Haplosclerida Pholidoskepia Calanoida Gymnophiona Elasipodida Palmariales Aciculata Hubrechtiiformes Codiolales Systellommatophora Lucinida Dorylaimida Pectinida Misophrioida Primulales Arecales Trachymedusae Laurida Aplysiida Caudata Sabellida Trichocephalida Plagiorchiida Seisonacea Teuthida Syringodermatales Ophiurida Peripoda Scytosiphonales Spirurida Zoantharia Hexactinosida Echinothurioida Ascoseirales Vaginulinida Astrorhizida Chaetocerotales Lobata Euphausiacea Chlorococcales Stenoglossa Xiphosura Macrodasyida Amphidiscosida Oegopsida Chrysapiales Sessilia Enterogona Littorinimorpha Cryptophialida Eunicida Chaetodermatida Bubarida Desulfobacterales Cyclopoida Acrotretida Desmodorida Heterostropha Sepiida Bivalvulida Rotaliida Lingulida Podocopida Sphacelariales Patellogastropoda Cyrtocrinida Rhabdocoela Vetigastropoda Enoplida Loxosomatida Harpacticoida Lithonida Myopsida Noctilucales Siphonostomatoida Thecosomata Gymnodiniales Onychopoda Dolichomicrostomida Prymnesiales Crocodilia Rubiales Forcipulatida Symbiida Amphinomida Sapindales Cladophorales Gadilida Sipuncula Chroococcales Clypeasteroida Clathrinida Cephalodiscoidea Diadematoida Testudines Lepidopleurida Ceriantharia Pholadomyida Dictyotales Mesogastropoda Lophogastrida Neomphalida Paxillosida Colaconematales Leptothecata Halymeniales Dendrochirotida Oligotrichida Scleractinia Mystacocaridida Chitonida Doliolida Echiuroidea Dunalliellales Scleralcyonacea Chaetodermomorpha Trombidiformes Persiculida Coscinodiscales Neorhabdocoela Galeommatida Arhynchobdellida Rhizostomeae Runcinida Mytilida Opisthorchiida Charadriiformes Mictacea Trochida Trigoniida Verongiida Plumatellida Ahnfeltiales Hadromerida Carybdeida Prorocentrales Gonyaulacales Caryophyllales Mazocraeidea Blastodiniales Lyssacinosida Vaucheriales Aplousobranchia Pollicipedomorpha Myida Echinolampadacea Sphenisciformes Anostraca Euryalida Ophiacanthida Bryopsidales Pedicellinida Bathyteuthida Proseriata Malpighiales Stauromedusae Velatida Cestida Goniotrichales Phlebobranchia Enchytraeida Mysida Naviculales Bothriocephalidea Platycopida Valvatida Desmarestiales Ascaridida Isocrinida Gyracanthocephala Odonata Polymastiida Bacillariales Arcida Ulotrichales Actiniaria Hemiptera Nuculida Tylenchida Amphilepidida Siphonariida Chromadorida Lithoglyptida Nemaliales Neoechinorhynchida Lituolida Ralfsiales Tubificida Spirillinida Venerida Sphaeriida Unionida Prasiolales Spinulosida Rhabdopleuroidea Synallactida Stylonematales Alismatales Vampyromorpha Neotaenioglossa Polymorphida Heteronemertea Carnivora Phragmophora Nanaloricida Sceptrulophora Brisingida Calanticomorpha Anura Cocculinida Buliminida Malvales Nostocales Anomoirhaga Peridiniales Gordioidea Isopoda Platyctenida Octopoda Filospermoidea Aphragmophora Loftusiida Decapoda Nodosariida Clionaida Pseudophyllidea Cheilostomatida Polystilifera Ceramiales Erythropeltidales Lamiales Gelidiales Pantopoda Falconiformes Lithistida Hildenbrandiales Canalipalpata Sepiolida Cephalaspidea Limnognathida Holothuriida Micropygoida Terebellida Lychniscosida Agelasida Tetrasporales Bursovaginoidea Picomonadida Sarcoptiformes Crassiclitellata Diplostraca Gentianales Nautilida Striatellales Pulmonata Urnatellida Thalassiophysales Spionida Dentaliida Ploima Myodocopida Arguloida Aspidodiadematoida Scytothamnales Semaeostomeae Bangiales Salenioida Siphonocladales Salpida Callochitonida Carterinida Hemiaulales Chondrillida Siphonophorae Zygnematales Spatangoida Homosclerophorida Amphipoda Gracilariales Malacalcyonacea Monhysterida Echinorhynchida Dinophysiales Dendroceratida Cavibelonia Phyllodocida Robertinida Polycladida Gaviiformes Basommatophora Arthrotardigrada Leucosolenida Echinostomida Squamata Iblomorpha Araeolaimida Pelecaniformes Cyclostomatida Capsalidea Neopilinida Nectonematidea Tanaidacea Pedunculata Cydippida Camallanida Laminariales Polypodioza Ostreida Parachela Stolidobranchia Stomopneustoida Balanomorpha Coraciiformes Corallinales Anseriformes Verongida Kentrorhagata Dictyoceratida Rhizocephala Chaetonotoidea Rhodymeniales Aulocalycoida
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Hemisphaeramminidae Hemisquillidae Hemithyrididae Hemiuridae Hermaeidae Herpyllobiidae Hesionidae Heteracanthocephalidae Heteralepadidae Heteraxinidae Heterodorididae Heteropiidae Heteroporidae Heterorhabdidae Heterotanoididae Heterothyonidae Heteroxyidae Hexabranchidae Hexapodidae Hexarthridae Hexostomatidae Hiantoporidae Hiatellidae Hildenbrandiaceae Himerometridae Hincksinidae Hippaliosinidae Hippidae Hippocrepinidae Hippolytidae Hipponicidae Hippopodiidae Hippopodinidae Hippoporidridae Hippoporinidae Hippothoidae Hirudinellidae Hirudinidae Histioteuthidae Histocidaridae Hofsteniidae Holognathidae Holopediidae Holopodidae Holothuriidae Holozoidae Homalopsidae Homolidae Homolodromiidae Homotrematidae Hoplolaimidae Hoploplanidae Horaiclavidae Hormathiidae Hormosinellidae Hormosinidae Hormosiraceae Horneridae Hubrechtellidae Hutchinsoniellidae Hyadesiidae Hyalellidae Hyalidae Hyalogyrinidae Hyalonematidae Hydractiniidae Hydridae Hydrobatidae Hydrobiidae Hydrocenidae Hydrocharitaceae Hydrocorynidae Hydromylidae Hydrophiidae Hydrozoanthidae Hylidae Hymedesmiidae Hymenosomatidae Hymerhabdiidae Hyocrinidae Hyperiidae Hypneaceae Hypsibiidae Hyssuridae Ianthellidae Ibiidae Iblidae Ichthyophiidae Iciliidae Idioctopodidae Idiosepiidae Idoteidae Ifalukellidae Iguanidae Ikedidae Imeroherpiidae Immergentiidae Inachidae Inachoididae Incertae sedis (Anthoathecata) Incertae sedis (Cydippida) Incertae sedis (Leptothecata) Incertae sedis (Ophiacanthida) Incertae sedis (Ophiurida) Incertae sedis (Paratanaoidea) Iniidae Inversiulidae Iospilidae Iotrochotidae Iphiculidae Iphimediidae Iphitimidae Iravadiidae Irciniidae Ironidae Isaeidae Isanthidae Ischnochitonidae Ischnomesidae Ischyroceridae Ishigeaceae Isididae Isocrinidae Isodiametridae Isodictyidae Isognomonidae Isoraphiniidae Isselicrinidae Izinkalidae Janirellidae Janiridae Janolidae Janthinidae Jenkinidae Joeropsididae Joubiniteuthidae Juliidae Kadosactidae Kairosidae Kalliapseudidae Kallymeniaceae Kamakidae Katianiridae Kelleriidae Kelliellidae Kergueleniidae Keroeididae Keuphyliidae Kingenidae Kirchenpaueriidae Kishinouyeidae Kogiidae Koinocystididae Komokiidae Kophobelemnidae Korethrasteridae Kowalewskiidae Kraussinidae Krithidae Krohnittellidae Krohnittidae Kroyeriidae Kyopodidae Lacydoniidae Laetmogonidae Laevidentaliidae Lafoeidae Laganidae Lagenidae Laingiidae Laminariaceae Lampeidae Lampropidae Lanceolidae Lanceoporidae Laodiceidae Laomediidae Laophontidae Laphystiopsidae Laqueidae Laridae Larocheidae Lasaeidae Laternulidae Latocestidae Latreilliidae Latrunculiidae Lauderiaceae Lecanidae Leilasteridae Leiopathidae Leiosalpingidae Lekythoporidae Lelapiellidae Lelapiidae Lepadellidae Lepadidae Lepechinellidae Lepetellidae Lepetidae Lepetodrilidae Lepidodasyidae Lepidoleuconidae Lepidomeniidae Lepidopleuridae Lepidoteuthidae Lepocreadiidae Leptanthuridae Leptastacidae Leptoceridae Leptocheliidae Leptochitonidae Leptocylindraceae Leptocytheridae Leptodoridae Leptognathiidae Leptolaimidae Leptophytidae Leptoplanidae Leptorhynchoididae Leptosomatidae Lernaeopodidae Lernanthropidae Lessoniaceae Lestrigonidae Leucaltidae Leucascidae Leucettidae Leuconidae Leucopsacidae Leucosiidae Leucosoleniidae Leucotheidae Leucothoidae Levidoridae Levinellidae Liagoraceae Libellulidae Lichenoporidae Lichomolgidae Ligiidae Liljeborgiidae Limacinidae Limapontiidae Limidae Limifossoridae Limnephilidae Limnognathidae Limnoriidae Limopsidae Limulidae Lineidae Lingulidae Linhomoeidae Linuchidae Liotiidae Lipkeidae Lipkiidae Liponematidae Lithodidae Lithoglyptidae Lithotryidae Litiopidae Litocheiridae Littorinidae Lituolidae Lobatolampeidae Lobonematidae Lobophylliidae Loliginidae Lomanotidae Lomentariaceae Lomisidae Longipediidae Longosomatidae Lopadorhynchidae Lopadorrhynchidae Lophogastridae Lottiidae Lovenellidae Loveniidae Loxoconchidae Loxosomatidae Lubbockiidae Lucernariidae Lucicutiidae Luciferidae Lucinidae Luidiidae Lumbrineridae Lunulariidae Lycaeidae Lycaeopsidae Lychnorhizidae Lycoteuthidae Lymnaeidae Lyocyclidae Lyonsiellidae Lyonsiidae Lyreididae Lyroctenidae Lysianassidae Lysiosquillidae Lysmatidae Lythraceae Mabiaramidae Macandrewiidae Maccabeidae Macrochironidae Macrocyprididae Macrodasyidae Macromaxillocarididae Macrophthalmidae Macroporidae Macrostomidae Macrostylidae Macrothricidae Mactridae Madrellidae Maeridae Magelonidae Magnapinnidae Majidae Malacobdellidae Malagazziidae Malawispongiidae Maldanidae Malleidae Malletiidae Malvaceae Mamilloporidae Mangeliidae Margarettidae Margaritidae Margaritidae Margelopsidae Marginellidae Mariametridae Mastigiidae Mastigocladaceae Mastigoteuthidae Mastogloiaceae Mathildellidae Mathildidae Matutidae Mawatariidae Maxillipiidae Meandrinidae Mecynoceridae Mecynoeciidae Mecynostomidae Megacalanidae Megaleledonidae Megaluropidae Megascolecidae Megathyrididae Megophryidae Meiomeniidae Meliaceae Melicertidae Melithaeidae Melitidae Mellitidae Melongenidae Melphidippidae Membranicellariidae Membraniporidae Menippidae Merliidae Mertensiidae Merulinidae Mesodesmatidae Mesognathariidae Metapseudidae Metidae Metrarabdotosidae Metridiidae Metridinidae Micheleidae Micrabaciidae Microcerberidae Microcionidae Microcotylidae Microcystaceae Microhedylidae Microparasellidae Microporellidae Microporidae Micropygidae Microscaphidiidae Microstomidae Microzoanthidae Mictocarididae Mictyridae Miliolidae Milleporidae Mimosellidae Minchinellidae Minicheviellidae Minyadidae Miraciidae Misophriidae Mithracidae Mithrodiidae Mitridae Mitrocomidae Mitromorphidae Mnestiidae Mobydickidae Modulidae Moerisiidae Moinidae Molgulidae Mollu Molpadiidae Monhysteridae Monocelididae Monocotylidae Monodontidae Monoposthiidae Monorchiidae Monorhaphididae Monostromataceae Monstrillidae Mopaliidae Munididae Munidopsidae Munnidae Munnopsidae Murchisonellidae Muricidae Murrayonidae Mustelidae Mycalidae Mycetopodidae Myidae Myochamidae Myriaporidae Myriopathidae Myriotrochidae Myriozoidae Myrrhinidae Myrtaceae Mysidae Mytilicolidae Mytilidae Mytilinidae Myxidiidae Myxillidae Myzostomidae Nacellidae Naididae Nanaloricidae Nanaspididae Nannastacidae Nannoniscidae Nannopodidae Nannosquillidae Naobranchiidae Nassariidae Naticidae Nausithoidae Nautilidae Nautiliniellidae Naviculaceae Nebaliidae Nebaliopsididae Nectonematidae Neilonellidae Nemanthidae Nemastomataceae Nematocarcinidae Nemertodermatidae Neobalaenidae Neocentrophyidae Neodasyidae Neoechinorhynchidae Neolampadidae Neolepadidae Neolepetopsidae Neoleptonidae Neomegamphopidae Neomeniidae Neomphalidae Neopeltidae Neopilinidae Neoralfsiaceae Neostygarctidae Neoteuthidae Neoverrucidae Nephropidae Nephtheidae Nephtyidae Neptuneidae Nereididae Nerillidae Neritidae Neritiliidae Neritopsidae Newtoniellidae Nidaliidae Niphatidae Noctilionidae Noctilucaceae Nodosariidae Noetiidae Nolellidae Nonionidae Nostocaceae Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Not assigned Notaeolidiidae Notarchidae Notobranchaeidae Notocrinidae Notodelphyidae Notodromadidae Notommatidae Nototanaidae Novocriniidae Nubeculariidae Nucinellidae Nuculanidae Nullosetigeridae Nummulitidae Nymphonidae Obtortionidae Oceanidae Oceaniidae Ochlesidae Octacnemidae Octocannoididae Octopicolidae Octopodidae Octopoteuthidae Oculinidae Ocypodidae Ocyropsidae Ocythoidae Odiidae Odobenidae Odontasteridae Odontodactylidae Oedicerotidae Oenonidae Oerstediidae Ogyrididae Oikopleuridae Oithonidae Okadaiidae Olindiidae Olividae Omalogyridae Ommastrephidae Omniglyptidae Oncaeidae Onchidiidae Onchidorididae Onchobothriidae Oncholaimidae Oncousoeciidae Onuphidae Onychocellidae Onychognathiidae Onychoteuthidae Oocystaceae Opecoelidae Opheliidae Ophiacanthidae Ophiactidae Ophidiasteridae Ophiocomidae Ophiodermatidae Ophioleucidae Ophiomyxidae Ophionereididae Ophiopyrgidae Ophioscolecidae Ophiosphalmidae Ophiotomidae Ophiotrichidae Ophiuridae Ophthalmidiidae Opisidae Opisthoteuthidae Oplophoridae Orbiniidae Orbitestellidae Oreasteridae Oregoniidae Orithyiidae Orthopsyllidae Oscarellidae Oscillatoriaceae Ostreidae Ostreobiaceae Ostreopsidaceae Otariidae Otocelididae Otoplanidae Ovulidae Oweniidae Oxycephalidae Oxynaspididae Oxynoidae Oxystominidae Oxytoxaceae Oziidae Pachastrellidae Pachychilidae Pachylasmatidae Pagetinidae Paguridae Pakynidae Palaemonidae Paleopneustidae Palicidae Palinuridae Palmariaceae Palmellopsidaceae Palmyridae Pandalidae Pandaridae Pandeidae Pandoridae Panopeidae Paracalanidae Paracalliopiidae Paracercopidae Paracucumidae Paracyprididae Paracytherideidae Paradoliopsidae Paradoxostomatidae Paradrepanophoridae Paralacydoniidae Paralcyoniidae Parallelodontidae Paramesochridae Paramunnidae Paramurrayonidae Paranarthrurellidae Paranebaliidae Paranthuridae Paraonidae Parapaguridae Paraphronimidae Paraphyllinidae Parapseudidae Pararrhopaliidae Parasaleniidae Parascelidae Parasquillidae Parastacidae Parastenocarididae Paratanaidae Paratomellidae Parazoanthidae Pardaliscidae Parechinidae Parergodrilidae Parhedylidae Pariambidae Parilimyidae Parisididae Parthenopidae Parvicapsulidae Pasiphaeidae Paskentanidae Pasytheidae Patellidae Patellinidae Paucidentulidae Pectinariidae Pectinatellidae Pectinidae Pectinodontidae Pectocytheridae Pedicellasteridae Pedicellinidae Pediculariidae Pedinidae Pelagiidae Pelagonemertidae Pelagothuriidae Pelecanidae Pelecanoididae Pelmatosphaeridae Peltidiidae Peltogastridae Peltospiridae Pelycidiidae Penaeidae Pendromidae Peneroplidae Penetrantiidae Peniaceae Penicillidae Pennariidae Pennatulidae Pennellidae Pentametrocrinidae Penthaleidae Peraclidae Peraclididae Pericelidae Pericosmidae Peridiniaceae Periphyllidae Periplomatidae Perophoridae Personidae Personidae Petalophthalmidae Petalostegidae Petasidae Petraliellidae Petraliidae Petrarcidae Petrosiidae Peyssonneliaceae Phaennidae Phaeophilaceae Phaethontidae Phalacrocoracidae Phanodermatidae Pharidae Phascolosomatidae Phaseolidae Phasianellidae Phellodermidae Phenacolepadidae Pheronematidae Phialellidae Phialuciidae Phidoloporidae Philichthyidae Philinidae Philinoglossidae Philoblennidae Philobryidae Philodinidae Philomedidae Philometridae Philophthalmidae Philosciidae Phliantidae Phloeodictyidae Phocidae Phocoenidae Pholadidae Pholadomyidae Pholoidae Pholoididae Phorioppniidae Phormidiaceae Phormosomatidae Phoronidae Photidae Phoxichilidiidae Phoxocephalidae Phoxocephalopsidae Phreatoicidae Phronimidae Phrosinidae Phrynocrinidae Phtisicidae Phyllariaceae Phyllidiidae Phylliroidae Phyllodocidae Phyllomeniidae Phyllophoraceae Phyllophoridae Phyllotymolinidae Phymanthidae Phymaraphiniidae Phymatellidae Physaliidae Physalopteridae Physeteridae Physidae Physophoridae Phytodiniaceae Pickworthiidae Picomonadidae Pilargidae Pilumnidae Pilumnoididae Pinnidae Pinnotheridae Pinufiidae Pirimelidae Piscicolidae Pisionidae Placopsilinidae Placospongiidae Placothuriidae Placunidae Plagioeciidae Plagiorhynchidae Plagusiidae Plakarthriidae Plakinidae Plakobranchidae Planariidae Planaxidae Planoceridae Planodasyidae Planorbidae Planorbulinidae Platanistidae Platidiidae Platycopiidae Platyhedylidae Platyischnopidae Platylepadidae Platyscelidae Platystictidae Platyxanthidae Plectonemertidae Pleioptygmatidae Plerogyridae Pleromidae Plethodontidae Pleurobrachiidae Pleurobranchidae Pleurocopidae Pleurosigmataceae Pleurotomariidae Pleustidae Plexauridae Plexechinidae Plicatulidae Plicatulidae Pliciloricidae Plocamiaceae Plumulariidae Plurellidae Pluvianellidae Pneumodermatidae Pocilloporidae Podicipedidae Podoceridae Podonidae Podospongiidae Poecilasmatidae Poecilochaetidae Pollicipedidae Polybiidae Polyblepharidaceae Polybrachiorhynchidae Polycanthiidae Polyceridae Polychelidae Polychrotidae Polycitoridae Polyclinidae Polycopidae Polycystididae Polygordiidae Polymastiidae Polymorphidae Polymorphinidae Polynoidae Polyorchidae Polyphemidae Polyphysaceae Polypodiidae Polyposthiidae Pomatiopsidae Pomphorhynchidae Pontarachnidae Pontellidae Pontocyprididae Pontodoridae Pontoeciellidae Pontogeneiidae Pontoporeiidae Poraniidae Porcellanasteridae Porcellanidae Porcellidiidae Porcellionidae Poricellariidae Porinidae Poritidae Poromyidae Porpitidae Portunidae Posidoniaceae Potamidae Potamididae Poupiniidae Pourtalesiidae Prasiolaceae Prayidae Preactiidae Priapulidae Primnoidae Primulaceae Prismatolaimidae Pristiglomidae Proalidae Problognathiidae Proboscidactylidae Procellariidae Procerodidae Processidae Prochaetodermatidae Proctonotidae Progeryonidae Proisocrinidae Promachoteuthidae Promesostomidae Proneomeniidae Pronoidae Propeamussiidae Proporidae Prorocentraceae Prosorhochmidae Prosthiostomidae Protellidae Protiaridae Protochitonidae Protodrilidae Protognathiidae Protohydridae Protoperidiniaceae Protopolyclinidae Protoptilidae Protorchestiidae Protosquillidae Provannidae Prymnesiaceae Psalidopodidae Psammobiidae Psammocoridae Psammodrilidae Psammosphaeridae Pseudaeginidae Pseudamphilochidae Pseudanabaenaceae Pseudanthessiidae Pseudidmoneidae Pseudidotheidae Pseudoacanthocephalidae Pseudoceratinidae Pseudoceritidae Pseudocerotidae Pseudococculinidae Pseudocodiaceae Pseudocumatidae Pseudocyclopidae Pseudocyclopiidae Pseudocycnidae Pseudodiaptomidae Pseudodistomidae Pseudojaniridae Pseudolividae Pseudomelatomidae Pseudoparrellidae Pseudosquillidae Pseudotachidiidae Pseudotanaidae Pseudovermidae Pseudozeuxidae Pseudoziidae Pseudumbellulidae Pseudunelidae Psolidae Psychocidaridae Psychropotidae Psychroteuthidae Pterastericolidae Pterasteridae Pteridaceae Pteriidae Pterinotrematidae Pterognathiidae Pterogorgiidae Pterosagittidae Pterotracheidae Ptychodactiidae Ptychoderidae Ptychogastriidae Pulsellidae Pulvinitidae Pustuloporidae Pycnogonidae Pycnophyidae Pylaiellaceae Pylochelidae Pyramidellidae Pyrgomatidae Pyropeltidae Pyrosomatidae Pyrostephidae Pyroteuthidae Pyuridae Quadricellariidae Quadrigyridae Questidae Ralfsiaceae Ranellidae Raninidae Raphidascarididae Raphitomidae Raspailiidae Rastodentidae Rathkeidae Rectarcturidae Renillidae Reteporidae Retroplumidae Retusidae Reussellidae Rhabdamminidae Rhabderemiidae Rhabdidae Rhabdolaimidae Rhabdopleuridae Rhadinorhynchidae Rhincalanidae Rhipidoherpiidae Rhizangiidae Rhizophoraceae Rhizophyllidaceae Rhizophysidae Rhizosoleniaceae Rhizostomatidae Rhizotrichidae Rhodaliidae Rhodomelaceae Rhodopidae Rhodymeniaceae Rhopalomeniidae Rhopalonematidae Rhopaluridae Rhynchocinetidae Rhynchomolgidae Rhynchothoracidae Rhyscotidae Rhysiidae Ricordeidae Ridgewayiidae Ringiculidae Rissoellaceae Rissoellidae Rissoidae Rissoinidae Ritterellidae Rivulariaceae Romancheinidae Rosalinidae Rossellidae Rostellariidae Rotaliidae Rotulidae Rubiaceae Runcinidae Ruppiaceae Rutidermatidae Rzehakinidae Sabellariidae Sabellidae Saccamminidae Saccocirridae Sacculinidae Sagartiidae Sagittidae Sagittiferidae Saleniidae Salicornariadae Salpidae Samidae Sanguinicolidae Santiidae Sapphirinidae Sarcinochrysidaceae Sarcodiaceae Sarcomeniaceae Sareptidae Sargassaceae Sarsiellidae Savangiidae Savignyellidae Scalibregmatidae Scaliolidae Scalpellidae Scaphandridae Scenedesmaceae Schizasteridae Schizopathidae Schizoporellidae Schizotrichaceae Schizymeniaceae Scinidae Scissurellidae Scleritodermidae Sclerocrinidae Sclerodactylidae Sclerodomidae Scolecitrichidae Scolopacidae Scopelocheiridae Scrupariidae Scrupocellariidae Scyllaeidae Scyllaridae Scyphacidae Scytonemataceae Scytosiphonaceae Scytothamnaceae Sebdeniaceae Sebidae Seguenziidae Seirococcaceae Seisonidae Selenoribatidae Semelidae Semisulcospiridae Semnoderidae Sepiadariidae Sepiidae Sepiolidae Sergestidae Serolidae Serpulidae Sertulariidae Sesarmidae Shiinoidae Siboglinidae Sicyoniidae Sididae Sigalionidae Siliculidae Siliquariidae Simrothiellidae Sinuolineidae Siphogenerinoididae Siphonariidae Siphonidiidae Siphonocladaceae Sipunculidae Skamnariidae Skeletonemaceae Skeneidae Skeneopsidae Smittinidae Solanderiidae Solariellidae Solasteridae Solecurtidae Solemyidae Solenidae Solenoceridae Solenofilomorphidae Solmarisidae Solmundaeginidae Soritidae Spadellidae Spatangidae Speleoithonidae Speleonectidae Spengelidae Sphacelariaceae Sphaeriidae Sphaerococcaceae Sphaerocorynidae Sphaerodoridae Sphaeroidinidae Sphaerolaimidae Sphaeromatidae Sphaeronectidae Spheniopsidae Spheniscidae Sphyrapidae Spinocalanidae Spintheridae Spionidae Spirastrellidae Spirillinidae Spiroloculinidae Spiroplectamminidae Spirorbidae Spirulidae Spiruridae Splachnidiaceae Spondylidae Spongicolidae Spongiidae Spongillidae Spongiodermidae Sporochnaceae Sporolithaceae Sportellidae Squillidae Stachyptilidae Stainforthiidae Stannomidae Stauroteuthidae Steganodermatidae Steginoporellidae Stegocephalidae Stellicomitidae Stelligeridae Stenasellidae Stenetriidae Stenopodidae Stenothoidae Stenothyridae Stercorariidae Sternaspidae Stichasteridae Stichodactylidae Stichopodidae Stiliferidae Stiligeridae Stilipedidae Stomachetosellidae Stomatoporidae Stomolophidae Stomopneustidae Stomozoidae Strahlaxiidae Striatellaceae Strictispiridae Strombidae Strongylocentrotidae Strophomeniidae Struthiolariidae Styelidae Stylasteridae Stylochidae Stylocordylidae Stylodactylidae Stylonemataceae Stylopathidae Stypocaulaceae Subergorgiidae Suberitidae Sugiuridae Sulidae Sutilizonidae Sycettidae Syllidae Symbiidae Symplectoscyphidae Synallactidae Synapticolidae Synaptidae Synchaetidae Syncoeliidae Synechococcaceae Syngenoherpiidae Synopiidae Syntheciidae Syringodermataceae Tachidiidae Taeniacanthidae Takuidae Talitridae Tanaellidae Tanaididae Tanaopsidae Tanarctidae Tanzanapseudidae Tateidae Tecticipitidae Tedaniidae Tegastidae Tegulidae Tellinidae Telorchiidae Temnopleuridae Temoridae Terebellidae Terebratellidae Terebratulidae Terebridae Teredinidae Tergipedidae Tesseridae Testudinellidae Tethydidae Tethyidae Tethyrhynchiidae Tetillidae Tetraclitidae Tetraliidae Tetraplatiidae Tetrasquillidae Tetrastemmatidae Teuchoporidae Textulariidae Thaerocytheridae Thalamoporellidae Thalassematidae Thalassianthidae Thalassinidae Thalassionemataceae Thalassocalycidae Thalassocarididae Thalassometridae Thalestridae Thallassiosiraceae Tharybidae Thaumastodermatidae Thaumatopsyllidae Thecadiniaceae Thecideidae Thecidellinidae Theonellidae Theonoidae Thiaridae Thiidae Thompsoniidae Thoosidae Thorectidae Thoridae Thraciidae Threskiornithidae Thrombidae Thurstonellidae Thyasiridae Thycidae Thyroscyphidae Thysanoteuthidae Tiarannidae Tiaropsidae Timeidae Tindariidae Tisbidae Titiscaniidae Tjaernoeiidae Tjalfiellidae Tomopteridae Tonicellidae Tonnidae Tornidae Tortanidae Toxopneustidae Trachycladidae Trachyleberididae Transvenidae Trapezidae Trapeziidae Tremoctopodidae Tretodictyidae Triaenophoridae Triangulidae Trichechidae Trichobranchidae Trichocercidae Trichogypsiidae Trichoniscidae Trichopeltariidae Trichoplacidae Trichotriidae Trichuridae Trichydridae Tridentellidae Trigoniidae Trigonocidaridae Trimusculidae Trinchesiidae Trionychidae Tripedaliidae Triphoridae Tripyloididae Triticellidae Tritoniidae Triviidae Trochaclididae Trochamminidae Trochidae Trochochaetidae Tropiometridae Truncatellidae Trypetesidae Tryphosidae Trypostegidae Tubiluchidae Tubinellidae Tubiporidae Tubulanidae Tubulariidae Tubuliporidae Turbanellidae Turbinellidae Turbinidae Turbinoliidae Turridae Turritellidae Tylidae Tylodinidae Typhloplanidae Typhloscolecidae Typhlotanaidae Udonellidae Udoteaceae Ulmaridae Ulotrichaceae Ulvaceae Ulvellaceae Umbellulidae Umbonulidae Umbraculidae Unciolidae Ungulinidae Unidentiidae Unionidae Upogebiidae Urechidae Urechinidae Uristidae Urnatellidae Urohaustoriidae Urothoidae Ursidae Uteriporidae Uvigerinidae Vaginulinidae Valenciniidae Valettidae Valettiopsidae Valkeriidae Valoniaceae Valvulinidae Vampyroteuthidae Vaneyellidae Vanikoridae Varunidae Vaucheriaceae Velutinidae Veneridae Veneridae Veretillidae Vermetidae Verneuilinidae Verrucidae Verticillitidae Verticordiidae Vesicomyidae Vesiculariidae Vespertilionidae Vibiliidae Victorellidae Victorgorgiidae Virgulariidae Vitreledonellidae Vitrinellidae Viviparidae Volutidae Volutomitridae Volvatellidae Vulsellidae Vultocinidae Walkeriidae Walvisteuthidae Wandinidae Watersiporidae Wemersoniellidae Wurdemanniaceae Xanthidae Xarifiidae Xeniidae Xenodasyidae Xenophoridae Xenosellidae Xenotrichulidae Xenoturbellidae Xestoleberididae Xyalidae Xylodisculidae Xylophagaidae Xyloplacidae Yoldiidae Zancleidae Zancleopsidae Zebinidae Zelinkaderidae Zemelanopsidae Zerotulidae Ziphiidae Zoanthidae Zoogonidae Zoothamniidae Zoroasteridae Zosteraceae Zygometridae Zygophylacidae
Subfamily:
Hydrophiinae
Select Genus:
Astrotia Hydrophis Laticauda Microcephalophis Pelamis Pseudolaticauda Thalassophina
Select Ocean (marine/brackish) or Continent (freshwater):
Africa-Inland Waters [1] America, North - Inland waters [2] America, South - Inland waters [3] Asia - Inland waters [4] Europe - Inland waters [5] Oceania - Inland waters [6] Former USSR - Inland waters [7] Antarctica - Inland waters [8] Arctic Ocean [18] Atlantic, Northwest [21] Atlantic, Northeast [27] Atlantic, Western Central [31] Atlantic, Eastern Central [34] Mediterranean and Black Sea [37] Atlantic, Southwest [41] Atlantic, Southeast [47] Atlantic, Antarctic [48] Indian Ocean, Western [51] Indian Ocean, Eastern [57] Indian Ocean, Antarctic [58] Pacific, Northwest [61] Pacific, Northeast [67] Pacific, Western Central [71] Pacific, Eastern Central [77] Pacific, Southwest [81] Pacific, Southeast [87] Pacific, Antarctic [88] All areas (World total) [99]
Select a country: Adelaide Island Adélie Land Admiralty Islands Afghanistan Åland Islands Alaska Albania Algeria American Samoa Amsterdam Island Andaman and Nicobar Islands Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Ascension Island Australia Austria Azerbaijan Azores Islands Bahamas Bahrain Balleny Islands Bangladesh Barbados Bassas da India Shoal Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bonaire, Sint Eustatius, Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Antarctic Territory British Indian Ocean Territory British Virgin Islands (GB) Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Canary Islands Cargados Carajos Shoals Caroline Island Cayman Islands Central African Republic Chad Chagos Islands Channel Islands Chatham Islands Chile China Christmas Island Clipperton Island Cocos / Keeling Islands Cocos Island (C.R.) Colombia Comoros Congo (Brazzaville) Congo (Kinshasa) Dem. Rep. Cook Islands Costa Rica Côte d'Ivoire / Ivory coast Croatia Crozet Islands Cuba Curaçao Cyprus Czechia Denmark Desventuradas Islands Djibouti Dominica Dominican Republic Easter Island Ecuador Egypt Elephant Island England and Wales (UK) Equatorial Guinea Eritrea Estonia Eswatini / Swaziland Ethiopia Europa Island Falkland / Malvinas Islands Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Galápagos Islands Gambia Georgia Germany Ghana Gibraltar Global Glorieuses Islands Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Hawaii Heard and McDonald Islands Holy See / Vatican City State Honduras Hong Kong Hungary Iceland India Indonesia Iran Iraq Ireland Isle of Man Israel Italy Jamaica Jan Mayen Island Japan Jersey Johnston Island Jordan Juan de Nova Island Juan Fernández Islands Kazakhstan Kenya Kerguelen Islands Kermadec Islands Kiribati Korea (North) Korea (South) Kosovo Kuril Islands Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Lord Howe Island Luxembourg Macau / Macao Macquarie Island Madagascar Madeira Islands Malawi Malaysia Maldives Mali Malta Marquesas Islands Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia Midway Islands Moldova Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands Netherlands Antilles New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Macedonia Northern Ireland (UK) Northern Mariana Islands Norway Ogasawara / Bonin Islands Oman Pacific Islands Trust Territory Pakistan Palau Palestine Panama Papua New Guinea Paraguay Peru Peter I Island Philippines Pitcairn Poland Portugal Prince Edward Islands Puerto Rico Qatar Réunion [La] Revillagigedo Archipelago Rodriguez Island Romania Russia / Russian Federation Rwanda Ryukyu Islands Saint Barthélemy Saint Helen., Asc., Trist.Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (FR) Saint Paul Island Saint Paul's Rocks Saint Pierre and Miquelon Saint Vincent and Grenadines Salvador [El] Samoa San Marino São Tomé and Príncipe Saudi Arabia Scotland (UK) Scott Island Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (NL) Slovakia Slovenia Society Islands Socotra Archipelago Solomon Islands Somalia South Africa South Georgia and Sandwich Is. South Orkney Islands South Shetland Islands South Sudan Spain Sri Lanka Sudan (North) Suriname Svalbard and Jan Mayen Islands Sweden Switzerland Syria Taiwan / Chinese Taipei Tajikistan Tanzania Thailand Timor-Leste Togo Tokelau Tonga Trindade and Martim Vaz Arch. Trinidad and Tobago Tristan da Cunha Islands Tromelin Island Tuamotu Islands Tunisia Türkiye Turkmenistan Turks and Caicos Islands Tuvalu Uganda UK Great Britain & N. Ireland Ukraine United Arab Emirates United States Minor Outlying Is Uruguay US America (contiguous states) US Miscellaneous Pacific Is. US Virgin Islands (US) Uzbekistan Vanuatu Venezuela Viet Nam Wake Island Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe
Only include species occuring above:
