Actinonema Cobb, 1920 (ecology source)
Aegialoalaimus de Man, 1907 (ecology source)
Alaimella Cobb, 1920 (ecology source)
Anticoma Bastian, 1865 (ecology source)
Araeolaimus de Man, 1888 (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)
Chitwoodia Gerlach, 1956 (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)
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)
Desmoscolex Claparède, 1863 (ecology source)
Dichromadora Kreis, 1929 (ecology source)
Diplopeltula Gerlach, 1950 (ecology source)
Dolicholaimus De Man, 1888 (ecology source)
Dracognomus Allen & Noffsinger, 1978 (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)
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)
Latronema Wieser, 1954 (ecology source)
Leptolaimoides Vitiello, 1971 (ecology source)
Leptolaimus de Man, 1876 (ecology source)
Leptonemella Cobb, 1920 (ecology source)
Linhomoeus Bastian, 1865 (ecology source)
Longicyatholaimus Micoletzky, 1924 (ecology source)
Mesacanthion Filipjev, 1927 (ecology source)
Metachromadora Filipjev, 1918 (ecology source)
Metadesmolaimus Schuurmans Stekhoven, 1935 (ecology source)
Metalinhomoeus de Man, 1907 (ecology source)
Metepsilonema Steiner, 1927 (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)
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)
Paracyatholaimoides Gerlach, 1953 (ecology source)
Paracyatholaimus Micoletzky, 1922 (ecology source)
Paralinhomoeus de Man, 1907 accepted as Linhomoeus Bastian, 1865 (ecology source)
Paramonohystera Steiner, 1916 (ecology source)
Pareurystomina Micoletzky, 1930 (ecology source)
Perepsilonema Lorenzen, 1973 (ecology source)
Praeacanthonchus Micoletzky, 1924 (ecology source)
Procamacolaimus Gerlach, 1954 (ecology source)
Prochromadorella Micoletzky, 1924 (ecology source)
Promonhystera Wieser, 1956 (ecology source)
Pseudonchus Cobb, 1920 (ecology source)
Ptycholaimellus Cobb, 1920 (ecology source)
Rhabditis Dujardin, 1844 (ecology source)
Rhips Cobb, 1920 (ecology source)
Rhynchonema Cobb, 1920 (ecology source)
Richtersia Steiner, 1916 (ecology source)
Sabatieria de Rouville, 1903 (ecology source)
Southerniella Allgén, 1932 (ecology source)
Spilophorella Filipjev, 1917 (ecology source)
Spirinia Gerlach, 1963 (ecology source)
Steineria Micoletzky, 1922 (ecology source)
Stylotheristus Lorenzen, 1977 (ecology source)
Symplocostoma Bastian, 1865 (ecology source)
Syringolaimus de Man, 1888 (ecology source)
Terschellingia de Man, 1888 (ecology source)
Thalassironus de Man, 1889 (ecology source)
Thalassoalaimus de Man, 1893 (ecology source)
Theristus Bastian, 1865 (ecology source)
Trefusia de Man, 1893 (ecology source)
Trichotheristus Wieser, 1956 accepted as Daptonema Cobb, 1920 (ecology source)
Tricoma Cobb, 1894 (ecology source)
Trissonchulus Cobb, 1920 (ecology source)
Tubolaimoides Gerlach, 1963 (ecology source)
Viscosia de Man, 1890 (ecology source)