Antygomonas Nebelsick, 1990 (basis of record)
Antygomonas incomitata Nebelsick, 1990 (basis of record)
Campyloderes Zelinka, 1907 (basis of record)
Campyloderes macquariae Johnston, 1938 (basis of record)
Centroderes Zelinka, 1907 (basis of record)
Centroderes spinosus (Reinhard, 1881) (basis of record)
Centroderidae Zelinka, 1896 (basis of record)
Cephalorhyncha (basis of record)
Chaetostephanidae Salvini-Plawen, 1974 (basis of record)
Condyloderes Higgins, 1969 (basis of record)
Condyloderes multispinosus (McIntyre, 1962) Higgins, 1969 (basis of record)
Cyclorhagida (basis of record)
Echinoderes Claparède, 1863 (basis of record)
Echinoderes agigens Bacescu, 1968 (basis of record)
Echinoderes angustus Higgins & Kristensen, 1988 (basis of record)
Echinoderes aquilonius Higgins & Kristensen, 1988 (basis of record)
Echinoderes arlis Higgins, 1966 (basis of record)
Echinoderes cantabricus Pardos, Higgins & Benito, 1998 (basis of record)
Echinoderes capitatus (Zelinka, 1912) (basis of record)
Echinoderes citrinus Zelinka, 1928 (basis of record)
Echinoderes druxi d'Hondt, 1972-1973 (basis of record)
Echinoderes dujardinii Claparède, 1863 (basis of record)
Echinoderes elongatus (Nyholm, 1947) (basis of record)
Echinoderes eximus Higgins & Kristensen, 1988 (basis of record)
Echinoderes ferrugineus Zelinka, 1928 (basis of record)
Echinoderes gerardi Higgins, 1978 (basis of record)
Echinoderes higginsi Huys & Coomans, 1989 (basis of record)
Echinoderes hispanicus Pardos, Higgins & Benito, 1998 (basis of record)
Echinoderes krishnaswamyi Higgins, 1985 (basis of record)
Echinoderes kristenseni Higgins, 1985 (basis of record)
Echinoderes levanderi Karling, 1954 (basis of record)
Echinoderes peterseni Higgins & Kristensen, 1988 (basis of record)
Echinoderes riedli Higgins, 1966 (basis of record)
Echinoderes setiger Greeff, 1869 (basis of record)
Echinoderes tubilak Higgins & Kristensen, 1988 accepted as Echinoderes remanei (Blake, 1930) (basis of record)
Echinoderidae Carus, 1885 (basis of record)
Halicryptus von Siebold, 1849 (basis of record)
Halicryptus spinulosus von Siebold, 1849 (basis of record)
Kinorhyncha (basis of record)
Kinorhynchus Sheremetevskij, 1974 (basis of record)
Loricifera (additional source)
Maccabeus Por, 1973 (basis of record)
Maccabeus tentaculatus Por, 1973 (basis of record)
Nanaloricida (basis of record)
Nanaloricidae Kristensen, 1983 (basis of record)
Nanaloricus Kristensen, 1983 (basis of record)
Nanaloricus khaitatus Todaro & Kristensen, 1998 (basis of record)
Nanaloricus mysticus Kristensen, 1983 (basis of record)
Nectonema Verrill, 1879 (basis of record)
Nectonema agile Verrill, 1879 (basis of record)
Nectonema munidae Brinkmann, 1930 (basis of record)
Nectonema svensksundi Bock, 1908 (basis of record)
Nectonematida (basis of record)
Nectonematidae (basis of record)
Nematomorpha (basis of record)
Neocentrophyidae Higgins, 1969 (basis of record)
Paracentrophyes Higgins, 1983 (basis of record)
Paracentrophyes quadridentatus (Zelinka, 1928) (basis of record)
Priapulida (basis of record)
Priapulidae Gosse, 1855 (basis of record)
Priapulopsis Koren & Danielssen, 1875 (basis of record)
Priapulopsis bicaudatus (Danielssen, 1869) (basis of record)
Priapulopsis cnidephorus Salvini-Plawen, 1973 (basis of record)
Priapulus Lamarck, 1816 (basis of record)
Priapulus abyssorum Menzies, 1959 (basis of record)
Priapulus caudatus Lamarck, 1816 (basis of record)
Pycnophyes Zelinka, 1907 (basis of record)
Pycnophyes communis Zelinka, 1908 (basis of record)
Pycnophyes robustus Zelinka, 1928 (basis of record)
Pycnophyes zelinkaei Southern, 1914 (basis of record)
Pycnophyidae Zelinka, 1896 (basis of record)
Semnoderes Zelinka, 1907 (basis of record)
Semnoderes armiger Zelinka, 1928 (basis of record)
Semnoderes ponticus Bacescu & Bacescu, 1956 (basis of record)
Semnoderidae Remane, 1929 (basis of record)
Tubiluchidae van der Land, 1970 (basis of record)
Tubiluchus van der Land, 1968 (basis of record)
Tubiluchus arcticus Adrianov, Malakhov, Tchesunov & Tzetlin, 1989 (basis of record)
Zelinkaderes Higgins, 1990 (basis of record)
Zelinkaderes submersus (Gerlach, 1969) (basis of record)
Zelinkaderidae Higgins, 1990 (basis of record)