Actinonema longicaudatum (Steiner, 1918) Wieser, 1954 (additional source)
Amphorostoma saccatus Clark, 1962 (additional source)
Anticyathus Cobb, 1920 (additional source)
Anticyclus Cobb, 1920 (additional source)
Aphelenchoides Fischer, 1894 (additional source)
Atrochromadora denticulata Wieser & Hopper, 1967 (additional source)
Austranema pectinatum (Wieser & Hopper, 1967) Inglis, 1969 accepted as Parapinnanema pectinatum (Wieser & Hopper, 1967) Warwick & Coles, 1975 (additional source)
Axonolaimus caudostriatus Boucher, 1973 (additional source)
Bathylaimus australis Cobb, 1894 (additional source)
Biarmifer Wieser, 1954 (additional source)
Camacolaimus exilis (Cobb, 1920) Wieser, 1956 accepted as Deontolaimus exilis (Cobb, 1920) Holovachov & Boström, 2015 (additional source)
Cephalobus Bastian, 1865 (additional source)
Chromadora macrolaimoides Steiner, 1915 (additional source)
Chromadora siciliana Wieser, 1954 accepted as Chromadora nudicapitata Bastian, 1865 (additional source)
Chromadorita Filipjev, 1922 (additional source)
Chromaspirina Filipjev, 1918 (additional source)
Cylindrotheristus Wieser, 1956 accepted as Daptonema Cobb, 1920 (additional source)
Desmodora (Bolbonema) Cobb, 1920 accepted as Bolbonema Cobb, 1920 (additional source)
Desmodora (Croconema) Cobb, 1920 accepted as Croconema Cobb, 1920 (additional source)
Desmodora (Desmodorella) Cobb, 1933 accepted as Desmodorella Cobb, 1933 (additional source)
Desmodora (Pseudochromadora) accepted as Pseudochromadora Daday, 1899 (additional source)
Desmodora cincta (Cobb, 1920) accepted as Croconema cinctum Cobb, 1920 (additional source)
Desmodora megalosoma Steiner, 1918 accepted as Zalonema megalosoma (Steiner, 1918) Gerlach, 1963 (additional source)
Desmoscolex laevis Kreis, 1928 (additional source)
Dichromadora apapillata Timm, 1961 (additional source)
Dichromadora geophila (de Man, 1876) Kreis, 1929 (additional source)
Enoploides Ssaweljev, 1912 (additional source)
Enoplus Dujardin, 1845 (additional source)
Epsilonema Steiner, 1927 (additional source)
Epsilonematidae Steiner, 1927 (additional source)
Ethmolaimus multipapillatus Paramonov, 1926 (additional source)
Eurystomina Filipjev, 1921 (additional source)
Eurystomina minutisculae Chitwood, 1951 (additional source)
Gomphionema Wieser & Hopper, 1966 (additional source)
Halichoanolaimus quattuordecimpapillatus Chitwood, 1951 (additional source)
Ironus Bastian, 1865 (additional source)
Linhomoeus Bastian, 1865 (additional source)
Longicyatholaimus Micoletzky, 1924 (additional source)
Megadesmolaimus uncinatus Gerlach, 1963 (ecology source)
Metachromadora Filipjev, 1918 (additional source)
Metalinhomoeus de Man, 1907 (additional source)
Metalinhomoeus setosus Chitwood, 1951 (ecology source)
Microlaimus de Man, 1880 (additional source)
Microlaimus problematicus Allgén, 1932 (additional source)
Monhystrella Cobb, 1918 (additional source)
Monhystrella gracilis Khera, 1966 (additional source)
Monhystrella marina Timm, 1964 (additional source)
Mylonchulus Cobb, 1916 (additional source)
Neochromadora tecta Gerlach, 1951 (additional source)
Neotonchus melotridus Wieser & Hopper, 1966 (additional source)
Nudora Cobb, 1920 (additional source)
Oncholaimus Dujardin, 1845 (additional source)
Oncholaimus brachycercus de Man, 1889 (additional source)
Oncholaimus opisthonchus Filipjev, 1927 (additional source)
Onyx perfectus Cobb, 1891 (additional source)
Paracanthonchus Micoletzky, 1924 (additional source)
Paracomesoma dubium (Filipjev, 1918) Schuurmans Stekhoven, 1950 (additional source)
Paradesmodora campbelli (Allgén, 1932) Gerlach, 1963 (additional source)
Paramonohystera Steiner, 1916 (additional source)
Phanoderma ocellatum (Cobb, 1920) Filipjev in Kreis, 1926 (additional source)
Plectus longicaudatus Bütschli, 1873 (additional source)
Polygastrophora heptabulba Timm, 1954 (additional source)
Pontonema donsi (Allgén, 1932) Cobb & Steiner, 1934 (additional source)
Procamacolaimus Gerlach, 1954 (additional source)
Prochromadorella ditlevseni (de Man, 1922) Wieser, 1954 (additional source)
Prochromadorella paramucrodonta (Allgén, 1929) Wieser, 1951 (additional source)
Prodesmodora Micoletzky, 1923 (additional source)
Prodorylaimus Andrássy, 1959 (additional source)
Ptycholaimellus lizardiensis Decraemer & Coomans, 1978 (additional source)
Rhabdolaimus de Man, 1880 (additional source)
Spiliphera Bastian, 1865 (additional source)
Spilophorella paradoxa (de Man, 1888) Filipjev, 1917 (additional source)
Spilophorella paradoxa mediterranea Micoletzky, 1924 accepted as Spilophorella paradoxa (de Man, 1888) Filipjev, 1917 (additional source)
Spirinia Gerlach, 1963 (additional source)
Spirinia laevioides Gerlach, 1963 (additional source)
Steineria Micoletzky, 1922 (additional source)
Steineria ampullacea Wieser & Hopper, 1967 (additional source)
Syringolaimus de Man, 1888 (additional source)
Terschellingia longicaudata de Man, 1907 (ecology source)
Thalassironus britannicus de Man, 1889 (additional source)
Thalassironus jungi Inglis, 1964 (additional source)
Theristus Bastian, 1865 (additional source)
Theristus flevensis Schuurmans Stekhoven, 1935 (additional source)
Theristus metaflevensis Gerlach, 1955 (additional source)
Trissonchulus oceanus Cobb, 1920 (additional source)
Viscosia macramphida Chitwood, 1951 (additional source)
Xyzzors inglisi Wieser & Hopper, 1967 (additional source)