Acantholaimus Allgén, 1933 (ecology source)
Actinonema Cobb, 1920 (ecology source)
Aegialoalaimus de Man, 1907 (ecology source)
Anticoma Bastian, 1865 (ecology source)
Bathynox (Bussau, 1993) Bussau & Vopel, 1999 (ecology source)
Calomicrolaimus Lorenzen, 1976 (ecology source)
Ceramonema Cobb, 1920 (ecology source)
Chromadorina Filipjev, 1918 (ecology source)
Desmodora de Man, 1889 (ecology source)
Desmoscolex Claparède, 1863 (ecology source)
Dichromadora Kreis, 1929 (ecology source)
Epsilonema Steiner, 1927 (ecology source)
Glochinema Lorenzen, 1974 (ecology source)
Halalaimus de Man, 1888 (ecology source)
Halichoanolaimus de Man, 1886 (ecology source)
Innocuonema Inglis, 1969 (ecology source)
Metadasynemella De Coninck, 1942 (ecology source)
Metadesmolaimus Schuurmans Stekhoven, 1935 (ecology source)
Microlaimus de Man, 1880 (ecology source)
Molgolaimus Ditlevsen, 1921 (ecology source)
Monhystera Bastian, 1865 (ecology source)
Paracanthonchus Micoletzky, 1924 (ecology source)
Procamacolaimus Gerlach, 1954 (ecology source)
Prochromadorella Micoletzky, 1924 (ecology source)
Pselionema Cobb, 1933 (ecology source)
Sabatieria de Rouville, 1903 (ecology source)
Syringolaimus de Man, 1888 (ecology source)
Theristus Bastian, 1865 (ecology source)
Tricoma Cobb, 1894 (ecology source)
Viscosia de Man, 1890 (ecology source)