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
- Subphylum Cephalochordata
- Subphylum Tunicata accepted as Urochordata
- Subphylum Urochordata
- Class Appendicularia
- Class Ascidiacea
- Order Aplousobranchia
- Order Ascidiacea (awaiting allocation)
- Order Cassianomorpha †
- Order Enterogona
- Family Clavelinidae
- Genus Bradiclavella Zirpolo, 1925 accepted as Clavelina Savigny, 1816
- Genus Chondrostachys Macdonald, 1858 accepted as Clavelina Savigny, 1816
- Genus Clavelina Savigny, 1816
- Genus Dendroclavella Oka, 1927 accepted as Clavelina Savigny, 1816
- Genus Euclavella Kott, 1990
- Genus Halozoa Redikorzew, 1910
- Genus Nephtheis Gould, 1856
- Genus Oxycorynia Drasche, 1882 accepted as Nephtheis Gould, 1856
- Genus Podoclavella Herdman, 1890 accepted as Clavelina Savigny, 1816
- Genus Policitor Grube, 1861 accepted as Polycitor Renier, 1804
- Genus Pollicitor Blainville, 1818 accepted as Polycitor Renier, 1804
- Genus Pollicitorus Gervais, 1842 accepted as Polycitor Renier, 1804
- Genus Polyciton Voeltzkow, 1917 accepted as Polycitor Renier, 1804
- Genus Pycnoclavella Garstang, 1891
- Genus Rhodozona Van Name, 1902 accepted as Clavelina Savigny, 1816
- Genus Scyozoa Hartmeyer, 1912 accepted as Sycozoa Lesson, 1832
- Genus Stereoclavella Herdman, 1890 accepted as Clavelina Savigny, 1816
- Genus Steroclavella Herdman, 1890 accepted as Stereoclavella Herdman, 1890
- Species Steroclavella oblongus accepted as Clavelina oblonga Herdman, 1880
- Genus Sycozoon Schmeltz, 1866 accepted as Sycozoa Lesson, 1832
- Genus Synclavella Caullery, 1900 accepted as Clavelina Savigny, 1816
- Genus Tolycitor Hartmeyer, 1907 accepted as Polycitor Renier, 1804
- Family Dimeatidae Sanamyan, 2001
- Family Euherdmanniidae accepted as Euherdmaniidae Ritter, 1904
- Family Holozoidae Berrill, 1950
- Family Plurellidae Kott, 1973
- Family Protopolyclinidae Kott, 1992
- Family Pseudodistomidae Harant, 1931
- Family Pycnoclavellidae Kott, 1990
- Family Ritterellidae Kott, 1992
- Family Stomozoidae Kott, 1990
- Order Khmeriamorpha †
- Order Phlebobranchia
- Order Pleurogona
- Order Stolidobranchia
- Genus Gongylis N. Hoffmann, 1970 †
- Genus Perforocalcinella Bóna, 1964 †
- Genus Tansinius M.G. Filipescu & E. Hanganu, 1960 †
- Class Thaliacea
- Class Urochordata (awaiting allocation)
- Genus Chaonites Passy, 1832 † accepted as Choanites Mantell, 1822 †
- Genus Choanites Mantell, 1822 †
- Genus Megasiphon Nanglu, Lerosey-Aubril, Weaver & Ortega-Hernández, 2023 †
- Subphylum Vertebrata
- 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
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