Arthropoda
Aduncorostris Fry & Hedgpeth, 1969
Alcinous Costa, 1861
Alcynous Costa, 1861
Ammotheidae Dohrn, 1881
Ascorhynchidae Hoek, 1881
Astridium Dana, 1849
Austrodecidae Stock, 1954
Bango Bamber, 2004
Benthocryptus Jarzynsky, 1870
Bentocryptus Schimkewitsch, 1929
Callipallenidae Hilton, 1942
Cladonychiidae
Colossendeidae Jarzynsky, 1870
Decatelopus Rafinesque, 1836
Dechachela Hilton, 1939
Demophanus Nardo, 1847
Endeidae Norman, 1908
Endeididae
Fanodesmus Costa, 1847
Flagellopantopus Poschmann & Dunlop, 2005
Foxichilus Costa, 1838
Fragilia Loman, 1908
Gnamptorhynchus Böhm, 1879
Haliestidae Bamber, 2007
Homathea Fry & Hedgpeth, 1969
Ignavogriphus Fry & Hedgpeth, 1969
Mathoma Fry & Hedgpeth, 1969
Microdecus Child, 1994
Nymphonidae Wilson, 1878
Oiceobathes Hesse, 1867
Oiceobathys Hesse, 1867
Oomerus Hesse, 1874
Palaeoisopodidae Dubinin, 1957
Palaeoisopus Broili, 1928
Palaeonymphon Léon, 1933
Palaeopantopodidae Hedgpeth, 1955
Palaeothea Bergstrom, Sturmer & Winter, 1980
Pallenidae
Pallenopsidae Fry, 1978
Pallenopsodon Stock, 1956
Parachelia Czerniavsky, 1861
Paralcinous Schimkewitsch, 1906
Parazetes Slater, 1879
Paritoca Philippi, 1842
Pentapalacopycon
Pentapalaeopycnon Hedgpeth, 1978
Pephredo Rafinesque, 1814
Pephredro Goodsir, 1842
Phanodemus Costa, 1838
Phoxichilidae
Phoxichilidiidae Sars, 1891
Phoxicilidiidae
Phoxychilis Berthold, 1827
Pigrolavatus Fry & Hedgpeth, 1969
Pigropycnon Fry & Hedgpeth, 1969
Platychelus Costa, 1861
Polygonopus Pallas, 1766
Polygotum Baster, 1765
Pycnogonidae Wilson, 1878
Rhynchothoracidae Thompson, 1909
Rigona Loman, 1908
Scaeorhynchus Wilson, 1881
Spicularia Helfer, 1937
Tanystylidae
Thammota Fry & Hedgpeth, 1969
Theammoa Fry & Hedgpeth, 1969
Tubidecus Stock, 1991
Xiphochilus Nardo, 1847
Zetes Koch, 1835