Acantholaimus longisetosus Allgén, 1933 (basis of record)
Anticoma acuminata (Eberth, 1863) Bastian, 1865 (basis of record)
Araeolaimus elegans de Man, 1888 (basis of record)
Atrochromadora parva (de Man, 1893) Wieser, 1954 (basis of record)
Camacolaimus tardus de Man, 1889 accepted as Deontolaimus tardus (de Man, 1889) Holovachov & Boström, 2015 (basis of record)
Chromadora nudicapitata Bastian, 1865 (basis of record)
Cyatholaimus gracilis (Eberth, 1863) Bastian, 1865 (basis of record)
Daptonema longicaudatum (Filipjev, 1922) Lorenzen, 1977 (basis of record)
Deontostoma arcticum (Ssaweljev, 1912) Filipjev, 1916 (basis of record)
Desmodora microchaeta Allgén, 1929 (basis of record)
Desmodora scaldensis de Man, 1889 (basis of record)
Desmodora tenuispiculum Allgén, 1928 accepted as Desmodorella tenuispiculum (Allgén, 1928) Gerlach, 1963 (basis of record)
Desmoscolex amaurus Lorenzen, 1972 (basis of record)
Desmoscolex cosmopolites Timm, 1970 represented as Desmoscolex (Desmoscolex) cosmopolites Timm, 1970 (basis of record)
Desmoscolex labiosus Lorenzen, 1969 (basis of record)
Desmoscolex longisetosus Timm, 1970 accepted as Desmoscolex (Desmoscolex) longisetosus Timm, 1970 (basis of record)
Diplopeltis cirrhatus (Eberth, 1863) Cobb, 1891 (basis of record)
Dracognomus simplex (Gerlach, 1954) Allen & Noffsinger, 1978 (basis of record)
Draconema campbelli (Allgén, 1932) accepted as Prochaetosoma campbelli (Allgén, 1932) Allen & Noffsinger, 1978 (basis of record)
Draconema cephalatum (Cobb, 1913) Steiner, 1921 (basis of record)
Draconema claparedii (Metschnikoff, 1867) Filipjev, 1918 (basis of record)
Enoplolaimus propinquus de Man, 1922 (basis of record)
Enoplus michaelseni (von Linstow, 1896) de Man, 1904 (basis of record)
Enoplus paralittoralis Wieser, 1953 (basis of record)
Euchromadora vulgaris (Bastian, 1865) de Man, 1886 (basis of record)
Eurystomina ornata (Eberth, 1863) Marion, 1970 (basis of record)
Halichoanolaimus dolichurus Ssaweljev, 1912 (basis of record)
Leptosomatum arcticum Filipjev, 1916 accepted as Leptosomatides arcticus (Filipjev, 1916) (basis of record)
Leptosomatum bacillatum (Eberth, 1863) Bastian, 1865 accepted as Leptosomatum sabangense Steiner, 1915 (basis of record)
Leptosomatum elongatum Bastian, 1865 accepted as Leptosomatum gracile Bastian, 1865 (basis of record)
Leptosomatum gracile Bastian, 1865 (basis of record)
Leptosomatum sabangense Steiner, 1915 (basis of record)
Linhomoeus elongatus Bastian, 1865 (basis of record)
Mesacanthion infantile (Ditlevsen, 1930) De Coninck & Schuurmans Stekhoven, 1933 (basis of record)
Mesacanthion virile (Ditlevsen, 1930) De Coninck & Schuurmans Stekhoven, 1933 (basis of record)
Mesacanthoides caputmedusae (Ditlevsen, 1918) Wieser, 1959 (basis of record)
Microlaimus honestus De Man, 1922 (basis of record)
Microlaimus tenuispiculum de Man, 1922 (additional source)
Molgolaimus demani Jensen, 1978 accepted as Microlaimus tenuispiculum de Man, 1922 (basis of record)
Monhystera disjuncta Bastian, 1865 accepted as Halomonhystera disjuncta (Bastian, 1865) Andrássy, 2006 (basis of record)
Monhystera filiformis Bastian, 1865 accepted as Eumonhystera filiformis (Bastian, 1865) Andrássy, 1981 (basis of record)
Monhystera paraambiguoides Allgén, 1932 accepted as Halomonhystera disjuncta (Bastian, 1865) Andrássy, 2006 (basis of record)
Monhystera vulgaris de Man, 1880 accepted as Eumonhystera vulgaris (de Man, 1880) Andrássy, 1981 (basis of record)
Monoposthia mirabilis Schulz, 1932 (basis of record)
Oncholaimus dujardinii de Man, 1876 (basis of record)
Oncholaimus viridis Bastian, 1865 (basis of record)
Oxyonchus dentatus (Ditlevsen, 1918) Filipjev, 1927 (basis of record)
Paracanthonchus caecus (Bastian, 1865) Micoletzky, 1924 (basis of record)
Paracanthonchus elongatus (de Man, 1907) Micoletzky, 1924 (basis of record)
Paracanthonchus spectabilis Allgén, 1931 (basis of record)
Paralinhomoeus lepturus de Man, 1907 (basis of record)
Paralinhomoeus lineatus (Ditlevsen, 1918) Allgén, 1959 (basis of record)
Paramesacanthion oxycephalum (Ditlevsen, 1926) Wieser, 1953 (basis of record)
Pelagonema obtusicauda Filipjev, 1918 (basis of record)
Pelagonema tenue Kreis, 1928 (basis of record)
Phanoderma campbelli Allgén, 1927 accepted as Metaphanoderma campbelli (Allgen, 1927) Platonova, 1984 (basis of record)
Phanoderma laticolle (Marion, 1870) Marion, 1875 (basis of record)
Platycomopsis cobbii Ditlevsen, 1926 (basis of record)
Praeacanthonchus kreisi (Allgén, 1929) Gerlach & Riemann, 1973 (basis of record)
Prochromadorella paramucrodonta (Allgén, 1929) Wieser, 1951 (basis of record)
Sabatieria celtica Southern, 1914 (basis of record)
Sabatieria longicaudata Filipjev, 1922 (basis of record)
Sabatieria ornata (Ditlevsen, 1918) Filipjev, 1922 (basis of record)
Sabatieria praedatrix de Man, 1907 (basis of record)
Sphaerolaimus gracilis de Man, 1876 (basis of record)
Steineria pilosa Cobb, 1914 (basis of record)
Synonchus fasciculatus Cobb, 1893 (basis of record)
Theristus acer Bastian, 1865 (basis of record)
Theristus pellucidus Allgén, 1939 (basis of record)
Thoracostoma coronatum (Eberth, 1863) Marion, 1870 (basis of record)
Tricoma maxima (Schepotieff, 1907) (basis of record)
Tricoma nematoides (Greeff, 1869) (basis of record)
Tricoma steineri de Man, 1922 (basis of record)
Viscosia glabra (Bastian, 1865) de Man, 1890 (basis of record)
Viscosia langrunensis (de Man, 1890) (basis of record)
Viscosia viscosa (Bastian, 1865) de Man, 1890 (basis of record)