Acantholaimus akvavitus Gerlach, Schrage & Riemann, 1979 (additional source)
Acantholaimus arminius Gerlach, Schrage & Riemann, 1979 (additional source)
Acantholaimus cyathibucca Vivier, 1985 (additional source)
Acantholaimus elegans Jensen, 1988 (additional source)
Acantholaimus gigantasetosus Vivier, 1985 (additional source)
Acantholaimus incomptus Vivier, 1985 (additional source)
Acantholaimus iubilus Gerlach, Schrage & Riemann, 1979 (additional source)
Acantholaimus maks Gerlach, Schrage & Riemann, 1979 (additional source)
Acantholaimus obviatus Vivier, 1985 (additional source)
Acantholaimus quintus Gerlach, Schrage & Riemann, 1979 (additional source)
Acantholaimus septimus Gerlach, Schrage & Riemann, 1979 (additional source)
Actinonema grafi Jensen, 1991 (additional source)
Antarcticonema comicapitatum Timm, 1978 (additional source)
Aponema nympha Bussau, 1993 accepted as Microlaimus nympha (Bussau & Vopel, 1999) Tchesunov, 2014 (additional source)
Bathynox clavata (Bussau, 1993) Bussau & Vopel, 1999 (additional source)
Bodonema vossi Jensen, 1991 (additional source)
Cervonema gourbaulti Muthumbi, Soetaert & Vincx, 1997 (additional source)
Cervonema minutus Muthumbi, Soetaert & Vincx, 1997 (additional source)
Desmodora pilosa Ditlevsen, 1926 (additional source)
Desmodora varioannulata (Kreis, 1928) Verschelde, Gourbault & Vincx, 1998 (additional source)
Desmolorenzenia crassicauda (Timm, 1970) Freudenhammer, 1975 accepted as Desmoscolex (Desmolorenzenia) crassicaudus Timm, 1970 (additional source)
Desmolorenzenia desmoscolecoides (Timm, 1970) Freudenhammer, 1975 accepted as Desmoscolex (Desmolorenzenia) desmoscolecoides (Timm, 1970) (additional source)
Desmoscolex amaurus Lorenzen, 1972 (additional source)
Desmoscolex americanus Chitwood, 1936 (additional source)
Desmoscolex articulatus Timm, 1978 (additional source)
Desmoscolex asetosus Decraemer, 1975 (additional source)
Desmoscolex bathyalis Freudenhammer, 1975 (additional source)
Desmoscolex bathybius Timm, 1970 represented as Desmoscolex (Desmoscolex) bathybius Timm, 1970 (additional source)
Desmoscolex chaetalatus Freudenhammer, 1975 (additional source)
Desmoscolex demerarae Decraemer, 1983 (additional source)
Desmoscolex eurycricus Filipjev, 1922 represented as Desmoscolex (Desmolorenzenia) eurycricus Filipjev, 1922 (additional source)
Desmoscolex falcatus Lorenzen, 1972 (additional source)
Desmoscolex frigidus Timm, 1978 (additional source)
Desmoscolex galeatus Freudenhammer, 1975 (additional source)
Desmoscolex gerlachi Timm, 1970 represented as Desmoscolex (Desmoscolex) gerlachi Timm, 1970 (additional source)
Desmoscolex gladisetosus Timm, 1970 represented as Desmoscolex (Desmoscolex) gladisetosus Timm, 1970 (additional source)
Desmoscolex labiosus Lorenzen, 1969 (additional source)
Desmoscolex lapilliferus Freudenhammer, 1975 (additional source)
Desmoscolex longiamphis Timm, 1970 represented as Desmoscolex (Desmoscolex) longiamphis Timm, 1970 (additional source)
Desmoscolex lorenzeni Freudenhammer, 1975 (additional source)
Desmoscolex macrophasmata Decraemer, 1984 accepted as Desmoscolex macrophasmatus Decraemer, 1984 (additional source)
Desmoscolex max Timm, 1970 represented as Desmoscolex (Desmoscolex) max Timm, 1970 (additional source)
Desmoscolex minor Schepotieff, 1907 (additional source)
Desmoscolex multiannulatus Decraemer, 1983 (additional source)
Desmoscolex paralongisetosus Decraemer, 1983 (additional source)
Desmoscolex perspicuus Freudenhammer, 1975 (additional source)
Desmoscolex pustulatus Freudenhammer, 1975 (additional source)
Desmoscolex quadricomoides Timm, 1970 represented as Desmoscolex (Desmoscolex) quadricomoides Timm, 1970 (additional source)
Desmoscolex remifer Timm, 1970 represented as Desmoscolex (Desmoscolex) remifer Timm, 1970 (additional source)
Desmoscolex velifer Timm, 1970 represented as Desmoscolex (Desmoscolex) velifer Timm, 1970 (additional source)
Desmotricoma spinicauda Decraemer, 1983 (additional source)
Dichromadora abnormis Gerlach, 1953 (additional source)
Dichromadora amphidiscoides Kito, 1981 (additional source)
Dichromadora apapillata Timm, 1961 (additional source)
Dichromadora cephalata (Steiner, 1916) Kreis, 1929 (additional source)
Dichromadora cucullata Lorenzen, 1973 (additional source)
Dichromadora dissipata Wieser, 1954 (additional source)
Dichromadora geophila (de Man, 1876) Kreis, 1929 (additional source)
Dichromadora hyalocheile De Coninck & Schuurmans Stekhoven, 1933 (additional source)
Dichromadora islandica Kreis, 1963 (additional source)
Dichromadora loiseae Muthumbi & Vincx, 1998 (additional source)
Dichromadora longicaudata Muthumbi & Vincx, 1998 (additional source)
Dichromadora simplex Timm, 1961 (additional source)
Diplopeltis bathmanni Jensen, 1991 accepted as Diplopeltula bathmanni (Jensen, 1991) Holovachov et al., 2009 accepted as Neodiplopeltula bathmanni (Jensen, 1991) Holovvachov & Boström, 2018 (additional source)
Diplopeltis incisus Southern, 1914 accepted as Diplopeltula incisa (Southern, 1914) Gerlach, 1962 accepted as Neodiplopeltula incisa (Southern, 1914) Holovachov & Boström, 2018 (additional source)
Filipjeva meridionalis Kreis, 1932 (additional source)
Greeffiella antarctica Timm, 1978 (additional source)
Greeffiella moppa Schrage, 1972 (additional source)
Halalaimus diacros Mawson, 1958 (additional source)
Halalaimus filum Gerlach, 1962 (additional source)
Halalaimus meyersi Wieser & Hopper, 1967 (additional source)
Halaphanolaimus harpaga Boucher & de Bovée, 1972 accepted as Leptolaimus harpaga (Boucher & de Bovée, 1972) Holovachov & Boström, 2013 (additional source)
Halichoanolaimus minor Ssaweljev, 1912 (additional source)
Leptolaimus meyer-reili Jensen, 1991 (additional source)
Litinium bananum Gerlach, 1956 (additional source)
Metacyatholaimus spatiosus Wieser, 1954 (additional source)
Metalinhomoeus effilatus Schuurmans Stekhoven, 1942 (additional source)
Metalinhomoeus retrosetosus Wieser, 1956 (additional source)
Metasphaerolaimus cancellatus Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus crassicauda (Freudenhammer, 1975) Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus hamatus Gourbault & Boucher, 1981 (additional source)
Metasphaerolaimus inglisi Gourbault & Boucher, 1981 (additional source)
Microlaimus clancularius Bussau, 1993 (additional source)
Microlaimus discolensis Bussau & Vopel, 1999 accepted as Microlaimus discolensis Bussau, 1993 (additional source)
Microlaimus porosus Bussau & Vopel, 1999 accepted as Microlaimus porus Bussau, 1993 (additional source)
Molgolaimus abyssorum Muthumbi & Vincx, 1996 (additional source)
Molgolaimus gazii Muthumbi & Vincx, 1996 (additional source)
Molgolaimus kiwayui Muthumbi & Vincx, 1996 (additional source)
Molgolaimus tyroi Muthumbi & Vincx, 1996 (additional source)
Monhystera microphthalma de Man, 1880 accepted as Monhystrella microphthalma (de Man, 1880) Jacobs, 1987 (additional source)
Neochromadora sabulicola (Filipjev, 1918) Wieser, 1954 (additional source)
Paracyatholaimus pesavis Wieser & Hopper, 1967 (additional source)
Paranticoma antarctica Mawson, 1956 (additional source)
Paratricoma aberrans (Kreis, 1938) Gerlach, 1956 (additional source)
Paratricoma steineri (Kreis, 1938) accepted as Protricoma steineri Kreis, 1938 (additional source)
Phanoderma campbelli Allgén, 1927 accepted as Metaphanoderma campbelli (Allgen, 1927) Platonova, 1984 (additional source)
Pselionema annulatum (Filipjev, 1922) Schuurmans Stekhoven, 1942 (additional source)
Quadricoma loricata Filipjev, 1922 accepted as Tricoma (Quadricoma) loricata (Filipjev, 1922) (additional source)
Quadricoma pontica Filipjev, 1922 accepted as Tricoma (Quadricoma) pontica Filipjev, 1922 (additional source)
Quadricoma scanica (Allgén, 1935) accepted as Tricoma (Quadricoma) scanica (Allgén, 1935) (additional source)