Acantholaimus Allgén, 1933 (basis of record)
Adoncholaiminae Gerlach & Riemann, 1974 (basis of record)
Adoncholaimus Filipjev, 1918 (basis of record)
Aegialoalaimidae Lorenzen, 1981 (basis of record)
Aegialoalaimus de Man, 1907 (basis of record)
Anoplostoma Bütschli, 1874 (basis of record)
Anoplostomatidae Gerlach & Riemann, 1974 (basis of record)
Anoplostomatinae (basis of record)
Anticoma Bastian, 1865 (basis of record)
Anticomidae Filipjev, 1918 (basis of record)
Araeolaimus de Man, 1888 (basis of record)
Atrochromadora Wieser, 1959 (basis of record)
Axonolaimidae Filipjev, 1918 (basis of record)
Axonolaimoidea Filipjev, 1918 (basis of record)
Axonolaimus de Man, 1889 (basis of record)
Barbonema Filipjev, 1927 (basis of record)
Barbonematinae Platonova, 1976 (basis of record)
Bathylaimus Cobb, 1894 (basis of record)
Camacolaiminae Micoletzky, 1924 (basis of record)
Camacolaimus de Man, 1889 accepted as Deontolaimus de Man, 1880 (basis of record)
Chaetonema Filipjev, 1927 (basis of record)
Chaetonematinae Gerlach & Riemann, 1974 (basis of record)
Chitwoodia Gerlach, 1956 (basis of record)
Chromadora Bastian, 1865 (basis of record)
Chromadorella Filipjev, 1918 (basis of record)
Chromadoria (basis of record)
Chromadorida (basis of record)
Chromadoridae Filipjev, 1917 (basis of record)
Chromadorina (basis of record)
Chromadorinae Filipjev, 1917 (basis of record)
Chromadorita Filipjev, 1922 (basis of record)
Chromadoroidea Filipjev, 1917 (basis of record)
Comesomatidae Filipjev, 1918 (basis of record)
Coninckia Gerlach, 1956 (basis of record)
Coninckiidae Lorenzen, 1981 (basis of record)
Crenopharynginae Platonova, 1976 (basis of record)
Crenopharynx Filipjev, 1934 (basis of record)
Cyartonema Cobb, 1920 (basis of record)
Cyatholaimidae Filipjev, 1918 (basis of record)
Cyatholaiminae Filipjev, 1918 (basis of record)
Daptonema Cobb, 1920 (basis of record)
Dentatonema Kreis, 1928 (additional source)
Deontolaimus de Man, 1880 (basis of record)
Deontostoma Filipjev, 1916 (basis of record)
Desmodora de Man, 1889 (basis of record)
Desmodoridae Filipjev, 1922 (basis of record)
Desmodorinae Filipjev, 1922 (basis of record)
Desmodoroidea Filipjev, 1922 (basis of record)
Desmolaiminae Schneider, 1926 (basis of record)
Desmoscolecidae Shipley, 1896 (basis of record)
Desmoscolecina (basis of record)
Desmoscolecinae (basis of record)
Desmoscolecoidea Shipley, 1896 (basis of record)
Desmoscolex Claparède, 1863 (basis of record)
Dichromadora Kreis, 1929 (basis of record)
Diplopeltidae Filipjev, 1918 (basis of record)
Diplopeltinae Filipjev, 1918 (basis of record)
Diplopeltis Cobb, 1905 (basis of record)
Diplopeltoides Gerlach, 1962 (basis of record)
Diplopeltula Gerlach, 1950 (basis of record)
Ditlevsenella Filipjev, 1927 (basis of record)
Dolicholaimus De Man, 1888 (basis of record)
Draconema Cobb, 1913 (basis of record)
Draconematidae Filipjev, 1918 (basis of record)
Draconematinae (basis of record)
Enchelidiidae Filipjev, 1918 (basis of record)
Enoplia (basis of record)
Enoplida (basis of record)
Enoplidae Dujardin, 1845 (basis of record)
Enoplina (basis of record)
Enoploidea Dujardin, 1845 (basis of record)
Enoploides Ssaweljev, 1912 (basis of record)
Enoplolaiminae De Coninck, 1965 (basis of record)
Enoplolaimus de Man, 1893 (basis of record)
Enoplus Dujardin, 1845 (basis of record)
Epacanthion Wieser, 1953 (basis of record)
Epsilonema Steiner, 1927 (basis of record)
Epsilonematidae Steiner, 1927 (basis of record)
Epsilonematinae Steiner, 1927 (basis of record)
Ethmolaimidae Filipjev & Schuurmans Stekhoven, 1941 (basis of record)
Euchromadora de Man, 1886 (basis of record)
Euchromadorinae Gerlach & Riemann, 1973 (basis of record)
Eurystomina Filipjev, 1921 (basis of record)
Filipjevia Kreis, 1928 (basis of record)
Fusonema Kreis, 1928 (basis of record)
Gammanema Cobb, 1920 (basis of record)
Gammarinema Kinne & Gerlach, 1953 (additional source)
Gerlachius Andrássy, 1976 (basis of record)
Graphonema Cobb, 1898 (basis of record)
Halalaiminae De Coninck, 1965 (basis of record)
Halalaimus de Man, 1888 (basis of record)
Halanonchinae Wieser & Hopper, 1967 (basis of record)
Halanonchus Cobb, 1920 (basis of record)
Halichoanolaimus de Man, 1886 (basis of record)
Hypodontolaiminae De Coninck, 1965 (basis of record)
Hypodontolaimus de Man, 1886 (basis of record)
Ionema Cobb, 1920 (basis of record)
Ironidae de Man, 1876 (basis of record)
Ironoidea de Man, 1876 (basis of record)
Klugea Filipjev, 1927 (basis of record)