IRMNG

Between brackets is the number of accepted species

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Biota
Kingdom Animalia
Phylum Acanthocephala
Phylum Agmata †
Phylum Animalia (awaiting allocation)
Phylum Animalia incertae sedis
Phylum Annelida
Phylum Arthropoda
Phylum Brachiopoda
Phylum Bryozoa
Phylum Cephalorhyncha incertae sedis
Phylum Chaetognatha
Phylum Chitinozoa †
Phylum Chordata
Subphylum Cephalochordata
Subphylum Tunicata accepted as Urochordata
Subphylum Urochordata
Subphylum Vertebrata
Superclass Tetrapoda
Class Acanthodii †
Class Actinopterygii
Order Acanthomorpha
Order Acipenseriformes
Order Actinopterygii (awaiting allocation)
Order Actinopterygii incertae sedis
Order Aeduelliformes †
Order Albuliformes
Order Alepisauriformes
Order Amiiformes
Order Anguilliformes
Family Anguillavidae Hay, 1903 †
Family Anguillidae Rafinesque, 1810
Family Anguilliformes (awaiting allocation)
Family Anguilloididae †
Family Chlopsidae Rafinesque, 1815
Family Colocongridae Smith, 1976
Family Congridae Kaup, 1856
Family Derichthyidae Gill, 1884
Family Derichtyidae accepted as Derichthyidae Gill, 1884
Family Dysommatidae Steyskal, 1980 accepted as Dysommidae Gill, 1893
Family Dysommidae Gill, 1893 accepted as Synaphobranchidae Johnson, 1862
Family Georgidentidae Sychevskaya & Prokofyev, 2004 †
Family Heterenchelyidae Regan, 1912
Family Libanechelyidae Taverne, 2004 †
Family Macrocephenchelyidae Fowler, 1934 accepted as Congridae Kaup, 1856
Family Milananguillidae †
Family Moringuidae Gill, 1885
Family Muraenesocidae Kaup, 1859
Family Muraenidae Rafinesque, 1815
Family Myrocongridae Gill, 1890
Family Nardoechelyidae Taverne & Capasso, 2014 †
Family Nemichthyidae Kaup, 1859
Family Nettastomatidae Kaup, 1859
Family Ophichthidae Gunther, 1870
Family Ophichthyidae accepted as Ophichthidae Gunther, 1870
Family Paranguillidae †
Family Parechelidae †
Family Patavichthyidae †
Family Phyllodontidae Sauvage, 1875 †
Family Protanguillidae Johnson, Ida & Miya in Johnson, Ida, Sakaue, Sado, Asahida & Miya, 2011
Family Proteomyridae †
Family Protoanguillidae Johnson, Ida & Miya, 2011 accepted as Protanguillidae Johnson, Ida & Miya in Johnson, Ida, Sakaue, Sado, Asahida & Miya, 2011
Family Serrivomeridae Trewavas, 1932
Family Simenchelyidae Gill in Goode & Bean, 1879 accepted as Synaphobranchidae Johnson, 1862
Family Synaphobranchidae Johnson, 1862
Genus Atractodenchelys Robins & Robins, 1970
Genus Conchognathus Collett, 1889 accepted as Simenchelys Gill, 1879
Genus Diastobranchus Barnard, 1923
Genus Dysomma Alcock, 1889
Genus Dysommina Ginsburg, 1951
Species Dysommina proboscideus (Lea, 1913)
Species Dysommina rugosa Ginsburg, 1951
Genus Dysommopsis Alcock, 1891 accepted as Dysomma Alcock, 1889
Genus Gymnosimenchelys Tanaka, 1908 accepted as Simenchelys Gill, 1879
Genus Haptenchelys Robins & Martin in Robins & Robins, 1976
Genus Histiobranchus Gill, 1883
Genus Ilyophis Gilbert, 1891
Genus Linkenchelys Smith, 1989
Genus Meadia Böhlke, 1951
Genus Media accepted as Meadia Böhlke, 1951
Genus Nettodarus Whitley, 1951 accepted as Dysomma Alcock, 1889
Genus Nettophichthys Holt, 1891 accepted as Synaphobranchus Johnson, 1862
Genus Simenchelys Gill, 1879
Genus Sinomyrus Lin, 1933 accepted as Dysomma Alcock, 1889
Genus Synaphobranchu
Genus Synaphobranchus Johnson, 1862
Genus Synapobranchus accepted as Synaphobranchus Johnson, 1862
Genus Thermobiotes Geistdoerfer, 1991
Genus Todarus Grassi & Calandruccio, 1896 accepted as Dysomma Alcock, 1889
Family Urenchelyidae †
Family Xenocongridae Regan, 1912 accepted as Chlopsidae Rafinesque, 1815
Genus Abisaadia Belouze, Gayet & Atallah, 2003 †
Genus Muraenanguilla Schwarzhans, 2019 †
Order Ankylophoriformes †
Order Argentiniformes
Order Asarotiformes †
Order Ascalaboidiformes †
Order Aspidorhynchiformes †
Order Ateleopodiformes
Order Atheriniformes
Order Aulopiformes
Order Batrachoidiformes
Order Beloniformes
Order Beryciformes
Order Bobasatraniformes † accepted as Bobasatraniiformes †
Order Bobasatraniiformes †
Order Catervarioliformes †
Order Cephaloxeniformes †
Order Cetomimiformes
Order Characiformes
Order Cheirolepiformes †
Order Clupeiformes
Order Clupeocephala incertae sedis
Order Clupeomorpha incertae sedis
Order Crossognathiformes †
Order Ctenothrissiformes †
Order Cypriniformes
Order Cyprinodontiformes
Order Dactylopteriformes accepted as Syngnathiformes
Order Dapediiformes †
Order Discordichthyiformes †
Order Dorsetichthyiformes †
Order Dorypteriformes †
Order Ellimmichthyiformes †
Order Elonichthyiformes †
Order Elopiformes
Order Esociformes
Order Eurynotoidiformes †
Order Euteleostei incertae sedis
Order Gadiformes
Order Gasterosteiformes
Order Gobiesociformes
Order Gobiiformes
Order Gonorhynchiformes accepted as Gonorynchiformes
Order Gonorynchiformes
Order Guildayichthyiformes †
Order Gymnotiformes
Order Halecomorphi incertae sedis
Order Haplolepidiformes †
Order Holocentriformes
Order Ichthyodectiformes †
Order Ionoscopiformes †
Order Kyphosichthyiformes †
Order Lampriformes
Order Lepisosteiformes
Order Leptolepidiformes †
Order Lophiiformes
Order Louwoichthyiformes †
Order Luganoiiformes †
Order Lycopteriformes †
Order Macrosemiiformes †
Order Megalopiformes accepted as Elopiformes
Order Mormyriformes accepted as Osteoglossiformes
Order Myctophiformes
Order Neopterygii incertae sedis
Order Notacanthiformes
Order Ophidiiformes
Order Ophiopsiformes †
Order Ophisthomi †
Order Osmeriformes
Order Osteoglossiformes
Order Osteoglossomorpha incertae sedis
Order Pachycormiformes †
Order Palaeonisciformes †
Order Palaeoniscimorpha incertae sedis
Order Palaeoniscoidea † accepted as Palaeonisciformes †
Order Paleonisciformes † accepted as Palaeonisciformes †
Order Panxianichthyformes †
Order Paphosisciformes †
Order Parasemionotiformes †
Order Pattersonichthyiformes †
Order Peltopleuriformes †
Order Perciformes
Order Percomorpha incertae sedis
Order Percopsiformes
Order Perleidiformes †
Order Pholidophoriformes †
Order Pholidophoroidea † accepted as Pholidophoriformes †
Order Pholidopleuriformes †
Order Pleuronectiformes
Order Polymixiiformes
Order Prohaleciteiformes †
Order Protacanthopterygii incertae sedis
Order Ptycholepiformes †
Order Pycnodontiformes †
Order Redfieldiiformes †
Order Saccopharyngiformes
Order Salmoniformes
Order Saurichthyiformes †
Order Scanilepiformes †
Order Scorpaeniformes
Order Semionotiformes †
Order Siluriformes
Order Sorbininardiformes †
Order Stephanoberyciformes
Order Stomiiformes
Order Synbranchiformes
Order Syngnathiformes
Order Tarrasiiformes †
Order Teleostei incertae sedis
Order Teleostii (awaiting allocation)
Order Tetraodontiformes
Order Tselfatiformes accepted as Tselfatiiformes †
Order Tselfatiiformes †
Order Zeiformes
Genus Avitosmerus Fielitz, 2002 †
Genus Avonichthys Wilson, Pardo & Anderson, 2018 †
Genus Bacchiaichthys Bannikov & Sorbini, 2000 †
Genus Bethesdaichthys Bender, 2001 †
Genus Bluefieldius Mickle, 2018 †
Genus Choctawichthys Schwarzhans & Stringer in Stringer et al., 2020 †
Genus Cladistia Cope, 1870
Genus Diplospondichthys Filleul & Dutheil, 2004 †
Genus Fuyuanichthys Xu, Ma & Ren, 2018 †
Genus Gwyneddocaris Bock, 1946 †
Genus Otolithopsis Huddleston, 1983 †
Genus Otolithus Koken, 1884 † accepted as Otolithopsis Huddleston, 1983 †
Class Agnatha (awaiting allocation)
Class Cephalaspidomorphi
Class Chondrichthyes
Class Conodonta †
Class Dipnoi
Class Dipnomorpha accepted as Dipnoi
Class Galeaspida †
Class Gnathostomata incertae sedis †
Class Myxini
Class Osteichthyes (awaiting allocation)
Class Osteichthyes incertae sedis †
Class Ostracodermi †
Class Pisces (awaiting allocation)
Class Placodermi †
Class Pteraspidomorphi †
Class Sarcopterygii
Class Thelodonti †
Genus Emmonsaspis Resser & Howell, 1938 †
Genus Harajicadectes Choo, Holland, Clement, King, Challands, Young & Long, 2024 †
Genus Kahamachli Malkani, 2019 †
Genus Nuucichthys Lerosey-Aubril & Ortega-Hernández, 2024 †
Genus Rhynchocopros Hunt, Lucas & Spielmann, 2013 †
Genus Santamariacopros Hunt, Lucas & Spielmann, 2013 †
Genus Squirmarius McCoy, Wittry, Sadabadi & Mayer, 2023 †
Class Chordata (awaiting allocation)
Class Eotetrapodiformes incertae sedis
Phylum Cnidaria
Phylum Ctenophora
Phylum Cycliophora
Phylum Cycloneuralia incertae sedis
Phylum Ecdysozoa incertae sedis †
Phylum Echinodermata
Phylum Entoprocta
Phylum Gastrotricha
Phylum Gnathostomulida
Phylum Hemichordata
Phylum Hyolitha †
Phylum Kinorhyncha
Phylum Lobopoda †
Phylum Loricifera
Phylum Micrognathozoa
Phylum Mollusca
Phylum Monoblastozoa accepted as Animalia incertae sedis
Phylum Nematoda
Phylum Nematomorpha
Phylum Nemertea
Phylum Onychophora
Phylum Orthonectida
Phylum Phoronida
Phylum Placozoa
Phylum Platyhelminthes
Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
Phylum Porifera
Phylum Priapula accepted as Priapulida
Phylum Priapulida
Phylum Problematica † accepted as Animalia incertae sedis
Phylum Rhombozoa
Phylum Rotifera
Phylum Scalidophora incertae sedis
Phylum Sipuncula
Phylum Tardigrada
Phylum Trace fossils †
Phylum Vendobionta †
Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
Phylum Vetulicolia †
Phylum Vinctiplicata incertae sedis †
Phylum Xenacoelomorpha
Genus Trilobocaris Pribyl, 1953 †
Kingdom Archaea
Kingdom Bacteria
Kingdom Chromista
Kingdom Fungi
Kingdom Plantae
Kingdom Protista accepted as Protozoa
Kingdom Protozoa
Kingdom Viruses