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
- Class Asteroidea
- Class Asterozoa (awaiting allocation)
- Class Blastoidea †
- Class Cornuta
- Class Coronata
- Class Coronoidea †
- Class Crinoidea
- Class Ctenocystoidea †
- Class Cystoidea
- Class Diploporita †
- Class Echinodermata (awaiting allocation)
- Class Echinodermata incertae sedis
- Class Echinoidea
- Class Edrioasteroidea †
- Class Edrioblastoidea †
- Class Eocrinoidea †
- Class Helicoplacoidea †
- Class Holothuroidea
- Class Homoiostelea †
- Class Homostelea †
- Class Ophiocistioidea †
- Class Ophiuroidea
- Order Euryalida
- Order Gnathophiurina
- Order Oegophiurida
- Order Ophiacanthida
- Order Ophioscolecida
- Order Ophiurida
- Order Ophiuroidea (awaiting allocation)
- Order Phrynophiurida
- Order Stenurida †
- Family Acinetasteridae Kesling, 1982 †
- Family Antiquasteridae Kesling, 1971 †
- Family Bdellacomidae Spencer & Wright, 1966 †
- Family Eophiuridae Schöndorf, 1910 †
- Family Palaeuridae Spencer, 1951 †
- Family Phragmactinidae Spencer, 1951 †
- Family Pradesuridae Spencer, 1951 †
- Family Rhopalocomidae Spencer & Wright, 1966 †
- Family Stenasteridae Schuchert, 1914 †
- Genus Stenaster Billings, 1858 †
- Species Stenaster obtusus (Forbes, 1948) †
- Family Stenurida (awaiting allocation) †
- Family Componasteridae Glass, Blake & Lefebvre, 2024 †
- Genus Maydena Jell, 2014 † accepted as Maydenaster Jell, 2020 †
- Genus Maydenaster Jell, 2020 †
- Genus Muldaster Thuy, Eriksson & Numberger-Thuy in Thuy et al., 2022 †
- Genus Ophiobartia Loba in Loba & Radwańska, 2022 †
- Genus Ophiolofsson Thuy, Eriksson, Kutscher & Numberger-Thuy, 2024 †
- Genus Ophiopetagno Thuy, Eriksson & Numberger-Thuy in Thuy et al., 2022 †
- Genus Ophiosuperstes Thuy, Maxwell & Pruss, 2021 †
- Genus Triadoleucella Ishida et al., 2022 †
- Class Parablastoidea †
- Class Paracrinoidea †
- Class Rhombifera †
- Class Somasteroidea
- Class Stelleroidea
- Class Stylophora †
- Genus Anadema Meuschen, 1787
- Genus Artocrea Meuschen, 1787
- Genus Birita Meuschen, 1787
- Genus Disci-transfixus Meuschen, 1787
- Genus Galea Meuschen, 1787
- Genus Olivaeformis Meuschen, 1787
- Genus Stribilita Meuschen, 1787
- 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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