IRMNG

Between brackets is the number of accepted species

1 Click on "-" to collapse/hide all child taxa

2 Shows the number of accepted species within the taxon

3 The last expanded taxon is highlighted

4 Click on "+" to expand/show all child taxa

5 Click to see the taxon details page

Show accepted taxa only Only show main ranks

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
Class Agnatha (awaiting allocation)
Class Cephalaspidomorphi
Order Anaspidiformes †
Order Atelaspidiformes
Order Ateleaspidiformes †
Order Benneviaspidiformes †
Order Birkeniiformes †
Order Cephalaspidiformes †
Order Cephalaspidoformes accepted as Cephalaspidiformes †
Order Cephalaspidomorphi (awaiting allocation)
Order Endeiolepidiformes †
Order Jamoytiiformes †
Order Kiaeraspidiformes †
Order Nanpanaspidiformes †
Order Osteostraci †
Order Ostracodermata (awaiting allocation) †
Order Petromyzoniformes accepted as Petromyzontiformes
Order Petromyzontiformes
Family Geotriidae Gill, 1893
Family Gilpichthyidae Halstead, 1993 †
Family Hardistiellidae Halstead, 1993 †
Family Mayomyzonidae Bardack & Zangerl, 1971 †
Family Mordaciidae Gill, 1893
Family Petromyzonidae accepted as Petromyzontidae Bonaparte, 1831
Family Petromyzontidae Bonaparte, 1831
Genus Agnathomyzon Gratzianov, 1907 accepted as Caspiomyzon Berg, 1906
Genus Ammocaetes Berthold in Latreille, 1827 accepted as Petromyzon Linnaeus, 1758
Genus Ammocetes Fleming, 1822 accepted as Petromyzon Linnaeus, 1758
Genus Ammocites Berthold in Latreille, 1827 accepted as Petromyzon Linnaeus, 1758
Genus Ammocoetes Cuvier, 1817 accepted as Ammocoetus Duméril, 1812
Genus Ammocoetus Duméril, 1812 accepted as Petromyzon Linnaeus, 1758
Genus Bathymyzon Gill, 1883 accepted as Petromyzon Linnaeus, 1758
Genus Batymyzon accepted as Petromyzon Linnaeus, 1758
Genus Caragola Gray, 1851 accepted as Mordacia Gray, 1851
Genus Caspiomyzon Berg, 1906
Genus Dionisia Lahille, 1915 accepted as Geotria Gray, 1851
Genus Enthosphenus Berg, 1906 accepted as Entosphenus Gill, 1862
Genus Entospheneus accepted as Entosphenus Gill, 1862
Genus Entosphenus Gill, 1862
Genus Eudontomyzon Regan, 1911
Genus Gilpichthys Bardack & Richardson, 1977 †
Genus Haploglossa Gratzianov, 1907 accepted as Caspiomyzon Berg, 1906
Genus Ichthyomyzon Girard, 1858
Genus Lampetra Bonnaterre, 1788
Genus Lampetra Malm, 1863 accepted as Petromyzon Linnaeus, 1758
Genus Lampetra Gray, 1851 accepted as Lampetra Bonnaterre, 1788
Genus Lampreda Rafinesque, 1815
Genus Lethenteron Creaser & Hubbs, 1922
Genus Macrophthalmia Plate, 1897 accepted as Geotria Gray, 1851
Genus Mesomyzon Chang, Zhang & Miao, 2006 †
Genus Myxinikela Bardack, 1991 †
Genus Neomordacia Castelnau, 1872 accepted as Geotria Gray, 1851
Genus Oceanomyzon Fowler, 1908
Genus Okkelbergia Creaser & Hubbs, 1922 accepted as Lampetra Bonnaterre, 1788
Genus Peteromyzon Diesing, 1850 accepted as Petromyzon Linnaeus, 1758
Genus Petromirzon Razoumowsky, 1789 accepted as Petromyzon Linnaeus, 1758
Genus Petromyxon Swainson, 1838 accepted as Petromyzon Linnaeus, 1758
Genus Petromyzon Linnaeus, 1758
Genus Petronizon Bloch, 1779 accepted as Petromyzon Linnaeus, 1758
Genus Pricus Rafinesque, 1815
Genus Priscomyzon Gess, Coates & Rubidge, 2006 †
Genus Reighardina Creaser & Hubbs, 1922 accepted as Ichthyomyzon Girard, 1858
Genus Scolecosoma Girard, 1858 accepted as Ichthyomyzon Girard, 1858
Genus Tetrapleurodon Creaser & Hubbs, 1922
Genus Velasia Gray, 1851 accepted as Geotria Gray, 1851
Genus Yarra Castelnau, 1872 accepted as Geotria Gray, 1851
Species Yarra singularis Castelnau, 1872 accepted as Geotria australis Gray, 1851
Family Petromyzontiformes (awaiting allocation)
Family Pipisciidae Halstead, 1993 †
Genus Caeruleum Huang, 2023 †
Genus Yanliaomyzon Wu, Janvier & Zhang, 2023 †
Order Pituriaspida †
Order Polybranchiaspidiformes †
Order Qingmenaspidiformes †
Order Sclerodontiformes †
Order Scolenaspidiformes †
Order Thyestiiformes †
Order Tremataspidiformes †
Order Zenaspidida †
Genus Jiaoyu Liu, Zhu, Lin, Lu & Gai, 2019 †
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