Between brackets is the number of accepted species
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2 Shows the number of accepted species within the taxon
3 The last expanded taxon is highlighted
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Subphylum Chelicerata
- Subphylum Crustacea
- Class Branchiopoda
- Class Cephalocarida
- Class Crustacea (awaiting allocation)
- Class Crustacea incertae sedis
- Class Ichthyostraca
- Class Malacostraca
- Class Maxillopoda
- Class Ostracoda
- Order Archaeocopida
- Order Bradoriida †
- Order Cytheroidea (awaiting allocation)
- Order Eridostracoda
- Order Halocyprida
- Order Leiocopa
- Order Leperditicopida †
- Order Metacopida
- Order Myodocopida
- Family Bolbozoidae Bouček, 1936 †
- Family Cylindroleberidae accepted as Cylindroleberididae Müller, 1906
- Family Cylindroleberididae Müller, 1906
- Genus Actinoseta Kornicker, 1958
- Genus Alphaleberis Kornicker, 1981
- Genus Amboleberis Kornicker, 1981
- Genus Archasterope Poulsen, 1965
- Genus Asterope Philippi, 1840 accepted as Asteropina Strand, 1928 †
- Genus Asteropella Poulsen, 1965
- Genus Asteropella Kornicker, 1975
- Genus Asteropina Strand, 1928 †
- Genus Asteropteron Skogsberg, 1920
- Genus Asteropterygion Kornicker, 1981
- Genus Bathyleberis Kornicker, 1975
- Genus Bruuniella Poulsen, 1965
- Genus Colymbosathon Siveter, Sutton, Briggs & Siveter, 2003 †
- Genus Cyclasterope Brady, 1897
- Genus Cycloleberis Skogsberg, 1920
- Genus Cylindroleberis Brady, 1867
- Genus Diasterope Poulsen, 1965
- Genus Diasterope Kornicker, 1975
- Genus Dolasterope Poulsen, 1965
- Genus Domromeus Kornicker, 1989
- Genus Empoulsenia Kornicker, 1975
- Genus Eocypridina Kesling & Ploch, 1960 †
- Genus Heptonema Poulsen, 1965
- Genus Heptonema Cohen & Kornicker, 1975
- Genus Homasterope Kornicker, 1975
- Genus Hungaroleberis Tóth & Cséfán, 2018 †
- Genus Juraleberis Vannier & Siveter, 1995 †
- Genus Leuroleberis Kornicker, 1981
- Genus Macroasteropteron Kornicker, 1994
- Genus Mesoleberis Kornicker, Van Bakel, Fraaije & Jagt, 2006 †
- Genus Microasteropteron Poulsen, 1965
- Genus Monasterope Kornicker, 1991
- Genus Nasunaris Siveter, Briggs, Siveter & Sutton, 2010 †
- Genus Omegasterope Kornicker, 1981
- Genus Parasterope Poulsen, 1965 accepted as Parasterope Kornicker, 1975
- Genus Parasterope Kornicker, 1975
- Genus Pasterope accepted as Parasterope Kornicker, 1975
- Species Pasterope crinita Kornicker, 1975
- Genus Pauline Siveter, Derek, Briggs, Siveter, Sutton & Joomun, 2012 †
- Genus Philippiella Poulsen, 1965
- Genus Polyleberis Kornicker, 1974
- Genus Postasterope Kornicker, 1986
- Genus Prionotoleberis Kornicker, 1974
- Genus Pteromeniscus Kornicker, 1981
- Genus Radiicypridina Bless, 1973 †
- Genus Siveterella Kornicker & Sohn, 2000 †
- Genus Skogsbergiella Kornicker, 1975
- Genus Spiricopia Siveter, Briggs, Siveter & Sutton, 2018 †
- Genus Synasterope Poulsen, 1965
- Genus Synasterope Kornicker, 1975
- Genus Tetraleberis Kornicker, 1981
- Genus Toyoshioleberis Pham, Jöst & Karanovic, 2021
- Genus Triadocypris Weitschat, 1983 †
- Genus Triadogigantocypris Monostori, 1991 †
- Genus Xandarasterope Kornicker in Kornicker & Poore, 1996
- Genus Xenoleberis Kornicker, 1994
- Family Cyprellidae Sylvester-Bradley, 1961 †
- Family Cypridinellidae Sylvester-Bradley, 1961 †
- Family Cypridinelliformidae Kornicker & Sohn, 2000 †
- Family Cypridinidae Baird, 1850
- Family Cyprosinidae †
- Family Entomoconchidae Brady, 1868 †
- Family Entomozoidae Pribyl, 1950 †
- Family Myodocopida (awaiting allocation)
- Family Myodocopida incertae sedis
- Family Nodophilomedidae Kornicker & Sohn, 2000 †
- Family Nymphatelinidae Siveter, Siveter, Sutton & Briggs, 2007 †
- Family Philomedidae Müller, 1906
- Family Rhombinidae Sylvester-Bradley, 1951 †
- Family Rhomboentomozoidae Gründel, 1962 †
- Family Rutidermatidae Brady & Norman, 1896
- Family Sarsiellidae Brady & Norman, 1896
- Family Sarsielloidea incertae sedis
- Family Schallreuterizoidae Kozur, 2004 †
- Family Seminovidae Perrier, Siveter, Williams & Palmer, 2018 †
- Family Swainellidae Kornicker & Sohn, 2000 †
- Order Ostracoda (awaiting allocation)
- Order Ostracoda incertae sedis
- Order Palaeocopida
- Order Phosphatocopida †
- Order Platycopida
- Order Podocopida
- Class Remipedia
- Order Cyclida †
- Genus Anatifera Meuschen, 1787
- Genus Dickinsonia Tasch, 1963 † accepted as Elmocephalus Tasch, 1964 †
- Genus Elmocephalus Tasch, 1964 †
- Subphylum Hexapoda
- Subphylum Myriapoda
- Subphylum Trilobitomorpha †
- Class Arachnomorpha (awaiting allocation)
- Class Arthropoda (awaiting allocation)
- Class Artiopoda †
- Class Crustaceomorpha incertae sedis †
- Class Dinocaridida †
- Class Labrophora incertae sedis
- Class Lamellipedia incertae sedis
- Class Megacheira †
- Class Thylacocephala †
- Class Xenocarida incertae sedis
- Order Canadaspidida † accepted as Hymenocarina †
- Order Cheloniellida †
- Order Emeraldellida † accepted as Arthropoda
- Order Fuxianhuiida †
- Order Habeliida †
- Order Hymenocarina †
- Order Isoxyida †
- Order Pectocaridida † accepted as Hymenocarina †
- Order Waptiida † accepted as Hymenocarina †
- Family Bomakellidae Fedonkin, 1987 †
- Family Burgessiidae Walcott, 1912 †
- Family Emeraldellidae Raymond, 1935 †
- Family Guangweicarididae Luo, Fu, Hu, Li, Hou, You, Pang & Liu, 2007 †
- Genus Aaveqaspis Peel & Stein, 2009 †
- Genus Acheronauta Pulsipher, Anderson, Wright, Kluessendorf, Mikulic & Schiffbauer, 2022 †
- Genus Arthroaspis Stein, Budd, Peel & Harper, 2013 †
- Genus Astutuscaris Jiao & Du, 2022 †
- Genus Bennettarthra Fayers, Trewin & Morrissey, 2010 †
- Genus Bushizheia O'Flynn & Liu in O'Flynn et al., 2020 †
- Genus Chuandianella Hou & Bergström, 1991 †
- Genus Dioxycaris Gürich, 1929 †
- Genus Dongshanocaris Hou, Bergström, Wang, Feng & Chen, 1999 †
- Genus Duraznovis Lara, Cariglino & Zavattieri in Lara et al., 2019 †
- Genus Duraznovs Lara, Cariglino & Zavattieri in Lara et al., 2019 † accepted as Duraznovis Lara, Cariglino & Zavattieri in Lara et al., 2019 †
- Genus Esmeraldacaris Waggoner, 2003 †
- Genus Fibulacaris Izquierdo-López & Caron, 2019 †
- Genus Kiisortoqia Stein, 2010 †
- Genus Kylinxia Zeng, Zhao, Niu, Zhu & Huang, 2020 †
- Genus Lihuacaris Jiao, Pates, Lerosey-Aubril, Ortega-Hernández, Yang, Lan & Zhang, 2021 †
- Genus Norikeya Tanaka, Siveter & Williams, 2013 †
- Genus Nothozoe Barrande, 1872 †
- Genus Nothozoe Barrande in Bigsby, 1868 † accepted as Nothozoe Barrande, 1872 †
- Genus Notozoe Zittel, 1885 † accepted as Nothozoe Barrande, 1872 †
- Genus Pakucaris Izquierdo-López & Caron, 2021 †
- Genus Pambdelurion Budd, 1998 †
- Genus Parvibellus Liu, Dunlop, Steiner & Shu, 2022 †
- Genus Pleuralata McCoy, Strother & Briggs, 2012 †
- Genus Pseudoangustidontus Van Roy & Tetlie, 2006 †
- Genus Pteroessa Hudson & Gosse, 1886
- Genus Sidneyia Walcott, 1911 †
- Genus Siriocaris Lagebro, Stein & Peel, 2009 †
- Genus Vermontcaris Pari, Briggs & Gaines, 2022 †
- Genus Youti Smith, Long, Dhungana, Dobson, Yang & Zhang, 2024 †
- 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
- 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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