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)
Axonolaimidae Filipjev, 1918 (basis of record)
Axonolaimoidea Filipjev, 1918 (basis of record)
Axonolaimus de Man, 1889 (basis of record)
Bathylaimus Cobb, 1894 (basis of record)
Calyptronema Marion, 1870 (basis of record)
Camacolaiminae Micoletzky, 1924 (basis of record)
Camacolaimus de Man, 1889 accepted as Deontolaimus de Man, 1880 (basis of record)
Cheironchus Cobb, 1917 (basis of record)
Chromadora Bastian, 1865 (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)
Chromaspirina Filipjev, 1918 (basis of record)
Cobbionema Filipjev, 1922 (basis of record)
Comesoma Bastian, 1865 (basis of record)
Comesomatidae Filipjev, 1918 (basis of record)
Comesomatinae Filipjev, 1918 (basis of record)
Cyatholaimidae Filipjev, 1918 (basis of record)
Cyatholaiminae Filipjev, 1918 (basis of record)
Cyatholaimus Bastian, 1865 (basis of record)
Daptonema Cobb, 1920 (basis of record)
Deontolaimus de Man, 1880 (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)
Diplolaimella Allgén, 1929 (basis of record)
Diplopeltidae Filipjev, 1918 (basis of record)
Diplopeltinae Filipjev, 1918 (basis of record)
Disconema Filipjev, 1918 (basis of record)
Draconema Cobb, 1913 (basis of record)
Draconematidae Filipjev, 1918 (basis of record)
Draconematinae (basis of record)
Eleutherolaiminae Filipjev, 1922 (basis of record)
Eleutherolaimus Filipjev, 1922 (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)
Enoplus Dujardin, 1845 (basis of record)
Ethmolaimidae Filipjev & Schuurmans Stekhoven, 1941 (basis of record)
Ethmolaimus de Man, 1880 (basis of record)
Euchromadora de Man, 1886 (basis of record)
Euchromadorinae Gerlach & Riemann, 1973 (basis of record)
Eurystomina Filipjev, 1921 (basis of record)
Gammarinema Kinne & Gerlach, 1953 (additional source)
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)
Ironidae de Man, 1876 (basis of record)
Ironoidea de Man, 1876 (basis of record)
Leptolaimidae Örley, 1880 (basis of record)
Leptolaimina accepted as Plectina (basis of record)
Leptolaiminae Örley, 1880 (basis of record)
Leptolaimus de Man, 1876 (basis of record)
Leptosomatidae Filipjev, 1916 (basis of record)
Leptosomatides Filipjev, 1918 (basis of record)
Leptosomatinae Filipjev, 1916 (basis of record)
Leptosomatum Bastian, 1865 (basis of record)
Linhomoeidae Filipjev, 1922 (basis of record)
Linhomoeinae Filipjev, 1922 (basis of record)
Linhomoeus Bastian, 1865 (basis of record)
Mesacanthion Filipjev, 1927 (basis of record)
Metachromadora Filipjev, 1918 (basis of record)
Metalinhomoeus de Man, 1907 (basis of record)
Metoncholaimus Filipjev, 1918 (basis of record)
Meyliidae De Coninck, 1965 (basis of record)
Microlaimoidea Micoletzky, 1922 (basis of record)
Monhystera Bastian, 1865 (basis of record)
Monhysterida (basis of record)
Monhysteridae de Man, 1876 (basis of record)
Monhysteroidea Filipjev, 1929 (basis of record)
Monoposthia de Man, 1889 (basis of record)
Monoposthiidae Filipjev, 1934 (basis of record)
Nemanema Cobb, 1920 (basis of record)
Odontophora Bütschli, 1874 (basis of record)
Oncholaimellinae Filipjev, 1916 (basis of record)