Acanthonchus Cobb, 1920 (ecology source)
Actinonema Cobb, 1920 (ecology source)
Aegialoalaimus de Man, 1907 (ecology source)
Ammotheristus Lorenzen, 1977 (ecology source)
Anticoma Bastian, 1865 (ecology source)
Atrochromadora Wieser, 1959 (ecology source)
Axonolaimus de Man, 1889 (ecology source)
Bathyepsilonema Steiner, 1927 (ecology source)
Bolbolaimus Cobb, 1920 (ecology source)
Calomicrolaimus Lorenzen, 1976 (ecology source)
Calyptronema Marion, 1870 (ecology source)
Camacolaimus de Man, 1889 accepted as Deontolaimus de Man, 1880 (ecology source)
Ceramonema Cobb, 1920 (ecology source)
Cervonema Wieser, 1954 (ecology source)
Cheironchus Cobb, 1917 (ecology source)
Chromadora Bastian, 1865 (ecology source)
Chromadorella Filipjev, 1918 (ecology source)
Chromadorina Filipjev, 1918 (ecology source)
Chromadorita Filipjev, 1922 (ecology source)
Chromaspirina Filipjev, 1918 (ecology source)
Comesomoides Gourbault, 1980 (ecology source)
Cricolaimus Southern, 1914 (ecology source)
Cyartonema Cobb, 1920 (ecology source)
Cyatholaimus Bastian, 1865 (ecology source)
Daptonema Cobb, 1920 (ecology source)
Dasynemoides Chitwood, 1936 (ecology source)
Desmodora de Man, 1889 (ecology source)
Desmodora (Desmodorella) Cobb, 1933 accepted as Desmodorella Cobb, 1933 (ecology source)
Desmoscolex Claparède, 1863 (ecology source)
Dichromadora Kreis, 1929 (ecology source)
Didelta Cobb, 1920 (ecology source)
Diodontolaimus Southern, 1914 (ecology source)
Diplopeltis Cobb, 1905 (ecology source)
Diplopeltula Gerlach, 1950 (ecology source)
Dolicholaimus De Man, 1888 (ecology source)
Dracograllus Allen & Noffsinger, 1978 (ecology source)
Draconema Cobb, 1913 (ecology source)
Eleutherolaimus Filipjev, 1922 (ecology source)
Enoplida (ecology source)
Enoploides Ssaweljev, 1912 (ecology source)
Enoplolaimus de Man, 1893 (ecology source)
Enoplus Dujardin, 1845 (ecology source)
Epacanthion Wieser, 1953 (ecology source)
Epsilonema Steiner, 1927 (ecology source)
Eubostrichus Greeff, 1869 (ecology source)
Euchromadora de Man, 1886 (ecology source)
Eurystomina Filipjev, 1921 (ecology source)
Gammanema Cobb, 1920 (ecology source)
Halalaimus de Man, 1888 (ecology source)
Halichoanolaimus de Man, 1886 (ecology source)
Innocuonema Inglis, 1969 (ecology source)
Laimella Cobb, 1920 (ecology source)
Latronema Wieser, 1954 (ecology source)
Leptolaimoides Vitiello, 1971 (ecology source)
Leptolaimus de Man, 1876 (ecology source)
Leptosomatum Bastian, 1865 (ecology source)
Linhomoeus Bastian, 1865 (ecology source)
Litinium Cobb, 1920 (ecology source)
Longicyatholaimus Micoletzky, 1924 (ecology source)
Marilynia Hopper, 1972 accepted as Marylynnia (Hopper, 1972) Hopper, 1977 (ecology source)
Mesacanthion Filipjev, 1927 (ecology source)
Metachromadora Filipjev, 1918 (ecology source)
Metacyatholaimus Stekhoven, 1942 (ecology source)
Metadesmolaimus Schuurmans Stekhoven, 1935 (ecology source)
Metalinhomoeus de Man, 1907 (ecology source)
Metoncholaimus Filipjev, 1918 (ecology source)
Microlaimus de Man, 1880 (ecology source)
Molgolaimus Ditlevsen, 1921 (ecology source)
Monhystera Bastian, 1865 (ecology source)
Monhystrella Cobb, 1918 (ecology source)
Nannolaimoides Ott, 1972 (ecology source)
Nannolaimus Cobb, 1920 (ecology source)
Neochromadora Micoletzky, 1924 (ecology source)
Odontophora Bütschli, 1874 (ecology source)
Odontophoroides Boucher & Helléouët, 1977 (ecology source)
Oncholaimus Dujardin, 1845 (ecology source)
Onyx Cobb, 1891 (ecology source)
Oxystomina Filipjev, 1918 (ecology source)
Paracanthonchus Micoletzky, 1924 (ecology source)
Paracomesoma Schuurmans Stekhoven, 1950 (ecology source)
Paracyatholaimoides Gerlach, 1953 (ecology source)
Paracyatholaimus Micoletzky, 1922 (ecology source)
Paralinhomoeus de Man, 1907 accepted as Linhomoeus Bastian, 1865 (ecology source)
Paramesacanthion Wieser, 1953 (ecology source)
Paramonohystera Steiner, 1916 (ecology source)
Pareurystomina Micoletzky, 1930 (ecology source)
Parodontophora Timm, 1963 (ecology source)
Paroxystomina Micoletzky, 1924 (ecology source)
Phanoderma Bastian, 1865 (ecology source)
Polygastrophora de Man, 1922 (ecology source)
Praeacanthonchus Micoletzky, 1924 (ecology source)
Procamacolaimus Gerlach, 1954 (ecology source)
Prochromadora Filipjev, 1922 (ecology source)
Prochromadorella Micoletzky, 1924 (ecology source)
Promonhystera Wieser, 1956 (ecology source)
Pseudonchus Cobb, 1920 (ecology source)
Rhips Cobb, 1920 (ecology source)
Rhynchonema Cobb, 1920 (ecology source)
Richtersia Steiner, 1916 (ecology source)
Sabatieria de Rouville, 1903 (ecology source)