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
- 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
- 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
- Class Adenophorea
- Class Aphasmida
- Class Chromadorea
- Class Dorylaimea
- Class Enoplea
- Class Nematoda (awaiting allocation)
- Class Nematoda incertae sedis
- Order Nemata incertae sedis
- Family Nematoda incertae sedis
- Genus Acanthoxynema Khera, 1956
- Genus Acanthrus Acharius, 1780
- Genus Acanthurus Agassiz, 1846 accepted as Acanthrus Acharius, 1780
- Genus Agamonema Diesing, 1851
- Genus Agamonemata Olsson, 1876 accepted as Agamonema Diesing, 1851
- Genus Agamonematodum Diesing, 1861
- Genus Agamonematoideum Diesing, 1853 accepted as Agamonematodum Diesing, 1861
- Genus Agamospirura Henry & Sisoff, 1913
- Genus Aganomena Condorelli-Francaviglia, 1898 accepted as Agamonema Diesing, 1851
- Genus Ambluray Kölliker, 1845 accepted as Amblyura Hemprich & Ehrenberg, 1828
- Genus Amblyura Hemprich & Ehrenberg, 1828
- Genus Brachynema Cobb, 1893 accepted as Brachynemella Cobb, 1933
- Genus Brachynemella Cobb, 1933
- Genus Captivonema Bostrom in Manum, Bose, Sayer & Bostrom, 1994
- Genus Cephallobellus Cobb, 1920
- Genus Ciorhynchus Zeder, 1803 accepted as Liorhynchus Rudolphi, 1801
- Genus Conthonolaimus accepted as Bathylaimus Cobb, 1894
- Genus Copalonema Poinar, 2011
- Genus Diacanthos Grundler in Bremser, 1824 accepted as Dyacanthos Stiebel, 1817
- Genus Diacanthus Rudolphi, 1819 accepted as Dyacanthos Stiebel, 1817
- Genus Dicentrocephalus Diesing, 1861 accepted as Dikentrocephalus Wedl, 1855
- Genus Diceras Rudolphi, 1809
- Genus Dikentrocephalus Wedl, 1855
- Genus Diplohystera Onorato de Cillis, 1918
- Genus Diplolaimus Linstow, 1876
- Genus Ditlevsenia Ditlevsen accepted as Cryptonchus Cobb, 1913
- Genus Ditrachyceras Sulzer in Rudolphi, 1809
- Genus Ditrachyceros Hermann in Sulzer, 1801
- Genus Ditrachycerosoma Brera, 1809
- Genus Dyacanthos Stiebel, 1817
- Genus Dyacanthus Rudolphi, 1819 accepted as Dyacanthos Stiebel, 1817
- Genus Dytrachyceros Bremser, 1819
- Genus Elaphocephalus Molin, 1860
- Genus Enchodelus Ahmad & Jairajpuri, 1980
- Genus Eophasma Arduini, Pinna & Teruzzi, 1983 †
- Genus Frostia Allgén, 1952 accepted as Frostina Gerlach & Riemann, 1974
- Genus Frostina Gerlach & Riemann, 1974
- Genus Iotalaimus Cobb, 1920
- Genus Jotalaimus accepted as Iotalaimus Cobb, 1920
- Genus Koleops Lockwood, 1872
- Genus Labyrinthostoma Cobb, 1898
- Genus Lasiomitus Marion, 1870
- Genus Liorhynchus Rudolphi, 1801
- Genus Liorhynhus de Blainville, 1820 accepted as Liorhynchus Rudolphi, 1801
- Genus Liorrhynchus Olfers, 1816 accepted as Liorhynchus Rudolphi, 1801
- Genus Liorynchus Dujardin, 1844 accepted as Liorhynchus Rudolphi, 1801
- Genus Lirchynchus Rudolphi, 1802 accepted as Liorhynchus Rudolphi, 1801
- Genus Lyorhynchus Risso, 1826 accepted as Liorhynchus Rudolphi, 1801
- Genus Macfadyenia Allgén, 1953
- Genus Nema Leidy, 1856
- Genus Nemavermes Schram, 1973 †
- Genus Netrorhynchus Zenker, 1827
- Genus Nettorhynchus Dolley, 1894 accepted as Netrorhynchus Zenker, 1827
- Genus Nothocamacolaimus accepted as Notocamacolaimus Allgén, 1959
- Genus Notocamacolaimus Allgén, 1959 accepted as Notacamacolaimus
- Genus Notosouthernia Allgén, 1959
- Genus Phacelura Hemprich & Ehrenberg, 1831
- Genus Phanoglena accepted as Phanoglene Nordmann in Lamarck, 1840
- Species Phanoglena barbiger Nordmann, 1840 accepted as Phanoglene barbiger (Nordmann, 1840)
- Genus Piguris Schlotthauber, 1860
- Genus Pontamonema Linstow, 1878 accepted as Potamonema Leidy, 1856
- Genus Potamonema Leidy, 1856
- Genus Probascidea Renier, 1807 accepted as Proboscidea Bruguière, 1791
- Genus Proboscidea Bruguière, 1791
- Genus Proboscideus Rafinesque, 1815 accepted as Proboscidea Bruguière, 1791
- Genus Prothelmins Linstow, 1888
- Genus Pterygifer Linstow, 1907
- Genus Rhinonema Allgén, 1928
- Genus Scorpiophagus Stormer, 1963
- Genus Seuratrella Steiner, 1926
- Genus Sphacelura Gervais, 1842 accepted as Phacelura Hemprich & Ehrenberg, 1831
- Genus Spherurus Rafinesque, 1815
- Genus Trachatinolaimus Andrássy, 1963
- Genus Tylenchidarum Andrássy, 1962
- Class Rhabditea
- Class Secernentea
- 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
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