Anoplostoma Bütschli, 1874 (additional source)
Anoplostomatidae Gerlach & Riemann, 1974 (additional source)
Anoplostomatinae (additional source)
Anticoma Bastian, 1865 (additional source)
Anticoma acuminata (Eberth, 1863) Bastian, 1865 (additional source)
Anticomidae Filipjev, 1918 (additional source)
Araeolaimus de Man, 1888 (additional source)
Araeolaimus gajevskii Paramonov, 1929 (additional source)
Axonolaimidae Filipjev, 1918 (additional source)
Axonolaimoidea Filipjev, 1918 (additional source)
Axonolaimus de Man, 1889 (additional source)
Axonolaimus ponticus Filipjev, 1918 (additional source)
Axonolaimus setosus Filipjev, 1918 (additional source)
Bathylaimus Cobb, 1894 (additional source)
Bathylaimus cobbi Filipjev, 1922 (additional source)
Calyptronema Marion, 1870 (additional source)
Calyptronema sabulicola (Filipjev, 1918) Filipjev in Kreis, 1926 (additional source)
Camacolaiminae Micoletzky, 1924 (additional source)
Camacolaimus bathycola Filipjev, 1922 (additional source)
Camacolaimus dolichocercus Filipjev, 1922 (additional source)
Camacolaimus zostericola (Filipjev, 1918) accepted as Acontiolaimus zostericola Filipjev, 1918 (additional source)
Cheironchus Cobb, 1917 (additional source)
Cheironchus vorax Cobb, 1917 (additional source)
Chromadora Bastian, 1865 (additional source)
Chromadora nudicapitata Bastian, 1865 (additional source)
Chromadoridae Filipjev, 1917 (additional source)
Chromadorina (additional source)
Chromadorina Filipjev, 1918 (additional source)
Chromadorina obtusa Filipjev, 1918 (additional source)
Chromadorina ocellata (Paramonov, 1929) Wieser, 1954 (additional source)
Chromadorinae Filipjev, 1917 (additional source)
Chromadorita Filipjev, 1922 (additional source)
Chromadorita demaniana Filipjev, 1922 (additional source)
Chromadorita gracilis (Filipjev, 1922) Wieser, 1954 (additional source)
Chromadoroidea Filipjev, 1917 (additional source)
Chromaspirina pontica Filipjev, 1918 (additional source)
Cobbia de Man, 1907 (additional source)
Cobbia triodonta Filipjev, 1918 (additional source)
Cobbionema Filipjev, 1922 (additional source)
Cobbionema acrocerca Filipjev, 1922 (additional source)
Comesoma Bastian, 1865 (additional source)
Comesoma stenocephalum Filipjev, 1918 (additional source)
Comesomatidae Filipjev, 1918 (additional source)
Comesomatinae Filipjev, 1918 (additional source)
Cyatholaimus gracilis (Eberth, 1863) Bastian, 1865 (additional source)
Daptonema Cobb, 1920 (additional source)
Daptonema longicaudatum (Filipjev, 1922) Lorenzen, 1977 (additional source)
Daptonema oxycerca (de Man, 1888) Lorenzen, 1977 (additional source)
Desmodora de Man, 1889 (additional source)
Desmodora pontica Filipjev, 1922 (additional source)
Desmodoridae Filipjev, 1922 (additional source)
Desmodorinae Filipjev, 1922 (additional source)
Desmodoroidea Filipjev, 1922 (additional source)
Desmolaiminae Schneider, 1926 (additional source)
Desmoscolecidae Shipley, 1896 (additional source)
Desmoscolecina (additional source)
Desmoscolecinae (additional source)
Desmoscolex Claparède, 1863 (additional source)
Desmoscolex tenuiseta Filipjev, 1922 (additional source)
Diplolaimella Allgén, 1929 (additional source)
Diplolaimella signifera (Paramonov, 1929) Gerlach & Riemann, 1973 (additional source)
Diplopeltidae Filipjev, 1918 (additional source)
Diplopeltinae Filipjev, 1918 (additional source)
Disconema Filipjev, 1918 (additional source)
Disconema alaima Filipjev, 1918 (additional source)
Draconema Cobb, 1913 (additional source)
Draconema ponticum Filipjev, 1918 accepted as Draconema ophicephalum (Claparède, 1863) Filipjev, 1918 (additional source)
Draconematidae Filipjev, 1918 (additional source)
Draconematinae (additional source)
Eleutherolaiminae Filipjev, 1922 (additional source)
Eleutherolaimus Filipjev, 1922 (additional source)
Enchelidiidae Filipjev, 1918 (additional source)
Enoplidae Dujardin, 1845 (additional source)
Enoplinae Micoletzky, 1922 (basis of record)
Enoploidea Dujardin, 1845 (additional source)
Enoploides Ssaweljev, 1912 (additional source)
Enoploides amphioxi Filipjev, 1918 (additional source)
Enoploides cirrhatus Filipjev, 1918 (additional source)
Enoploides hirsutus Filipjev, 1918 (additional source)
Enoplolaiminae De Coninck, 1965 (additional source)
Enoplus Dujardin, 1845 (additional source)
Enoplus littoralis Filipjev, 1918 (additional source)
Enoplus quadridentatus Berlin, 1853 (additional source)
Ethmolaimus de Man, 1880 (additional source)
Ethmolaimus multipapillatus Paramonov, 1926 (additional source)
Euchromadora de Man, 1886 (additional source)
Euchromadora striata (Eberth, 1863) de Man, 1886 (additional source)
Euchromadorinae Gerlach & Riemann, 1973 (additional source)
Eurystomina Filipjev, 1921 (additional source)
Eurystomina assimilis (de Man, 1876) de Man, 1888 (additional source)
Eurystomina gerlachi Inglis, 1962 (additional source)
Eurystomina ornata (Eberth, 1863) Marion, 1970 (additional source)
Halalaiminae De Coninck, 1965 (additional source)
Halanonchinae Wieser & Hopper, 1967 (additional source)
Halanonchus Cobb, 1920 (additional source)
Halanonchus papilatus Groza-Rojancovski, 1972 (additional source)
Halichoanolaimus de Man, 1886 (additional source)
Halichoanolaimus dolichurus Ssaweljev, 1912 (additional source)
Halichoanolaimus robustus (Bastian, 1865) de Man, 1886 (additional source)
Hypodontolaiminae De Coninck, 1965 (additional source)