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
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Class Cestoda
- Class Platyhelminthes (awaiting allocation)
- Class Platyhelminthes incertae sedis
- Class Trematoda
- Class Turbellaria
- Order Catenulida
- Order Eukalyptorhynchia (awaiting allocation)
- Order Haplopharyngida
- Order Kalyptorhynchia (awaiting allocation)
- Order Lecithoepitheliata
- Order Macrostomida
- Order Neorhabdocoela
- Order Polycladida
- Order Prolecithophora
- Order Proplicastomata
- Order Proseriata
- Order Rhabdocoela
- Order Tricladida
- Family Amphibioplanidae Stocchino, Sluys, Dols-Serrate & Riutort in Stocchino et al., 2021
- Family Bdellouridae Diesing, 1862
- Genus Bdelloura Leidy, 1851
- Species Bdelloura candida (Girard, 1850)
- Species Bdelloura fusca Dalyell, 1814
- Species Bdelloura longiceps (Duges, 1830)
- Species Bdelloura parasitica Leidy, 1851
- Species Bdelloura propinqua Wheeler, 1894
- Species Bdelloura rustica Leidy, 1851
- Species Bdelloura wheeleri Wilhelmi, 1909
- Genus Miava Marcus, 1954
- Genus Nerpa Marcus, 1948
- Genus Oahuhawaiiana Kawakatsu & Mitchell, 1984
- Genus Palombiella Westblad, 1952
- Genus Pentacoelum Westblad, 1935
- Genus Siphoniella Westblad, 1952 accepted as Synsiphonium Hallez, 1911
- Genus Syncoelidium Wheeler, 1894
- Genus Synsiphonium Hallez, 1911
- Family Bipaliidae Stimpson, 1857
- Family Cotyloplanidae Von Graff, 1896 accepted as Geoplanidae Stimpson, 1857
- Family Dendrocoelidae Hallez, 1892
- Family Dimarcusidae Mitchell & Kawakatsu, 1972
- Family Diplostomidae Poirier, 1886
- Family Dugesiidae Ball, 1974
- Family Geoplanidae Stimpson, 1857
- Family Haplosplanchidae
- Family Kenkiidae Hyman, 1937
- Family Meixnerididae Westblad, 1952
- Family Nexilidae Holleman & Hand, 1962
- Family Paramphistomidae Fischoeder, 1901
- Family Planariidae Stimpson, 1857
- Family Procerodidae Diesing, 1862
- Family Rhynchodemidae Graff, 1896
- Family Uteriporidae Wilhelmi, 1909
- Genus Hausera Leal-Zanchet & Souza in Leal-Zanchet, Souza & Ferreira, 2014
- Genus Micropharynx Jaegerskiold, 1896
- Genus Terricolichnus Alessandrello, Pinna & Teruzzi, 1988 †
- Genus Tiddles Marcus, 1963
- Order Turbellaria (awaiting allocation)
- 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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