Adoncholaimus fuscus (Bastian, 1865) Filipjev, 1918 (basis of record)
Anoplostoma blanchardi de Man, 1888 accepted as Anoplostoma campbelli Allgén, 1932 (basis of record)
Bathylaimus capacosus Hopper, 1962 (basis of record)
Bathylaimus parafilicaudatus Allgén, 1935 accepted as Bathylaimus chesapeakensis Timm, 1952 (basis of record)
Chromadora axi Gerlach, 1951 (basis of record)
Chromadora nudicapitata Bastian, 1865 (basis of record)
Chromadorina germanica (Bütschli, 1874) Wieser, 1954 (basis of record)
Chromadorita tenuis (G. Schneider, 1906) Filipjev, 1922 (basis of record)
Chromaspirina thieryi De Coninck, 1943 (basis of record)
Daptonema albigensis (Riemann, 1966) Hopper, 1968 accepted as Promonhystera albigensis Riemann, 1966 (basis of record)
Daptonema oxycerca (de Man, 1888) Lorenzen, 1977 (basis of record)
Daptonema procerum (Gerlach, 1951) Lorenzen, 1977 (basis of record)
Daptonema setosum (Bütschli, 1874) Lorenzen, 1977 (basis of record)
Daptonema tenuispiculum (Ditlevsen, 1918) Lorenzen, 1977 (basis of record)
Daptonema trabeculosum (Schneider, 1906) Lorenzen, 1977 (basis of record)
Dichromadora scandula Lorenzen, 1966 (basis of record)
Enoplus communis Bastian, 1865 (basis of record)
Hypodontolaimus balticus (G. Schneider, 1906) Filipjev, 1918 (basis of record)
Leptolaimus elegans (Stekhoven & De Coninck, 1933) Gerlach, 1958 (basis of record)
Metachromadora remanei Gerlach, 1951 accepted as Metachromadoroides remanei (Gerlach, 1951) Timm, 1961 (basis of record)
Monhystera disjuncta Bastian, 1865 accepted as Halomonhystera disjuncta (Bastian, 1865) Andrássy, 2006 (basis of record)
Monoposthia costata (Bastian, 1865) de Man, 1889 (basis of record)
Nannolaimoides effilatus (Boucher, 1976) Platt & Warwick, 1988 (basis of record)
Pontonema vulgare (Bastian, 1865) Filipjev, 1916 (basis of record)
Rhabditis (Pellioditis) marina (Bastian, 1865) Dougherty, 1955 accepted as Litoditis marina (Bastian, 1865) Sudhaus, 2011 (basis of record)
Steineridora loricata (Steiner, 1916) Inglis, 1969 (basis of record)
Syringolaimus striatocaudatus de Man, 1888 (basis of record)
Theristus acer Bastian, 1865 (basis of record)
Tripyloides gracilis (Ditlevsen, 1918) Filipjev, 1927 (basis of record)

European waters (ERMS scope) for Adoncholaimus fuscus (Bastian, 1865) Filipjev, 1918 
European waters (ERMS scope) for Anoplostoma blanchardi de Man, 1888 
European waters (ERMS scope) for Bathylaimus capacosus Hopper, 1962 
European waters (ERMS scope) for Bathylaimus parafilicaudatus Allgén, 1935 
European waters (ERMS scope) for Chromadora axi Gerlach, 1951 
European waters (ERMS scope) for Chromadora nudicapitata Bastian, 1865 
European waters (ERMS scope) for Chromadorina germanica (Bütschli, 1874) Wieser, 1954 
European waters (ERMS scope) for Chromadorita tenuis (G. Schneider, 1906) Filipjev, 1922 
European waters (ERMS scope) for Chromaspirina thieryi De Coninck, 1943 
European waters (ERMS scope) for Daptonema albigensis (Riemann, 1966) Hopper, 1968 
European waters (ERMS scope) for Daptonema oxycerca (de Man, 1888) Lorenzen, 1977 
European waters (ERMS scope) for Daptonema procerum (Gerlach, 1951) Lorenzen, 1977 
European waters (ERMS scope) for Daptonema setosum (Bütschli, 1874) Lorenzen, 1977 
European waters (ERMS scope) for Daptonema tenuispiculum (Ditlevsen, 1918) Lorenzen, 1977 
European waters (ERMS scope) for Daptonema trabeculosum (Schneider, 1906) Lorenzen, 1977 
European waters (ERMS scope) for Dichromadora scandula Lorenzen, 1966 
European waters (ERMS scope) for Enoplus communis Bastian, 1865 
European waters (ERMS scope) for Hypodontolaimus balticus (G. Schneider, 1906) Filipjev, 1918 
European waters (ERMS scope) for Leptolaimus elegans (Stekhoven & De Coninck, 1933) Gerlach, 1958 
European waters (ERMS scope) for Metachromadora remanei Gerlach, 1951 
European waters (ERMS scope) for Monhystera disjuncta Bastian, 1865 
European waters (ERMS scope) for Monoposthia costata (Bastian, 1865) de Man, 1889 
European waters (ERMS scope) for Nannolaimoides effilatus (Boucher, 1976) Platt & Warwick, 1988 
European waters (ERMS scope) for Pontonema vulgare (Bastian, 1865) Filipjev, 1916 
European waters (ERMS scope) for Rhabditis (Pellioditis) marina (Bastian, 1865) Dougherty, 1955 
European waters (ERMS scope) for Steineridora loricata (Steiner, 1916) Inglis, 1969 
European waters (ERMS scope) for Syringolaimus striatocaudatus de Man, 1888 
European waters (ERMS scope) for Theristus acer Bastian, 1865 
European waters (ERMS scope) for Tripyloides gracilis (Ditlevsen, 1918) Filipjev, 1927