Adoncholaimus fuscus (Bastian, 1865) Filipjev, 1918 (additional source)
Anoplostoma blanchardi de Man, 1888 accepted as Anoplostoma campbelli Allgén, 1932 (additional source)
Bathylaimus capacosus Hopper, 1962 (additional source)
Bathylaimus parafilicaudatus Allgén, 1935 accepted as Bathylaimus chesapeakensis Timm, 1952 (additional source)
Chromadora axi Gerlach, 1951 (additional source)
Chromadorina germanica (Bütschli, 1874) Wieser, 1954 (additional source)
Chromadorita tenuis (G. Schneider, 1906) Filipjev, 1922 (additional source)
Chromaspirina thieryi De Coninck, 1943 (additional source)
Daptonema oxycerca (de Man, 1888) Lorenzen, 1977 (additional source)
Daptonema procerum (Gerlach, 1951) Lorenzen, 1977 (additional source)
Daptonema setosum (Bütschli, 1874) Lorenzen, 1977 (additional source)
Daptonema tenuispiculum (Ditlevsen, 1918) Lorenzen, 1977 (additional source)
Daptonema trabeculosum (Schneider, 1906) Lorenzen, 1977 (additional source)
Dichromadora Kreis, 1929 (additional source)
Dichromadora scandula Lorenzen, 1966 (additional source)
Enoplus communis Bastian, 1865 (taxonomy source)
Ethmolaimidae Filipjev & Schuurmans Stekhoven, 1941 (additional source)
Hypodontolaimus balticus (G. Schneider, 1906) Filipjev, 1918 (additional source)
Leptolaimus elegans (Stekhoven & De Coninck, 1933) Gerlach, 1958 (taxonomy source)
Metachromadora remanei Gerlach, 1951 accepted as Metachromadoroides remanei (Gerlach, 1951) Timm, 1961 (additional source)
Meyliidae De Coninck, 1965 (additional source)
Monhystera Bastian, 1865 (taxonomy source)
Monhystera disjuncta Bastian, 1865 accepted as Halomonhystera disjuncta (Bastian, 1865) Andrássy, 2006 (additional source)
Neochromadora Micoletzky, 1924 (additional source)
Odontophoroides monhystera (Gerlach, 1953) (additional source)
Pontonema vulgare (Bastian, 1865) Filipjev, 1916 (additional source)
Theristus Bastian, 1865 (additional source)
Theristus acer Bastian, 1865 (additional source)
Tripyloides gracilis (Ditlevsen, 1918) Filipjev, 1927 (additional source)