Actacarus Schulz, 1937 (basis of record)
Agaue Lohmann, 1889 (basis of record)
Agaue abyssorum (Trouessart, 1896) (basis of record)
Agaue corollata Bartsch, 1978 (basis of record)
Agaue plutonia Bartsch, 1996 (basis of record)
Agauides Bartsch, 1988 (basis of record)
Agauides cryosi Bartsch, 1988 (basis of record)
Agauopsis Viets, 1927 (basis of record)
Agauopsis auzendei Bartsch, 1990 accepted as Halacarellus auzendei (Bartsch, 1990) (basis of record)
Atelopsalis Trouessart, 1896 (basis of record)
Atelopsalis tricuspis Trouessart, 1896 (basis of record)
Bathyhalacarus Sokolov & Yankovskaya, 1968 (basis of record)
Bradyagaue Newell, 1971 (basis of record)
Bradyagaue stocki Bartsch, 1992 (basis of record)
Coloboceras Trouessart, 1889 (basis of record)
Colobocerasides Viets, 1950 (basis of record)
Colobocerasides koehleri (Trouessart, 1896) (basis of record)
Copidognathus Trouessart, 1888 (basis of record)
Copidognathus alvinus Bartsch, 1994 (basis of record)
Copidognathus magniporus Bartsch, 1973 (basis of record)
Copidognathus nautilei Bartsch, 1997 (basis of record)
Halacarellus Viets, 1927 (basis of record)
Halacarellus alvinus Bartsch, 1994 accepted as Thalassarachna alvina (Bartsch, 1994) (basis of record)
Halacarellus auzendei (Bartsch, 1990) (basis of record)
Halacarellus caecoides Bartsch, 1978 accepted as Thalassarachna caecoides (Bartsch, 1978) (basis of record)
Halacarellus reticulatus Bartsch, 1978 accepted as Thalassarachna reticulata (Bartsch, 1978) (basis of record)
Halacarus Gosse, 1855 (basis of record)
Halacarus actenos Trouessart, 1889 (basis of record)
Halacarus prolongatus Bartsch, 1996 (basis of record)
Halacarus spiniger Bartsch, 1973 (basis of record)
Lohmannella Trouessart, 1901 (basis of record)
Lohmannella falcata (Hodge, 1863) (basis of record)
Pelacarus Bartsch, 1986 (basis of record)
Scaptognathus Trouessart, 1889 (basis of record)
Scaptognathus minutus Bartsch, 1973 (basis of record)
Thalassarachna Packard, 1871 (basis of record)
Thalassarachna alvina (Bartsch, 1994) (basis of record)
Thalassarachna caecoides (Bartsch, 1978) (basis of record)
Thalassarachna reticulata (Bartsch, 1978) (basis of record)
Werthella Lohmann, 1907 (basis of record)

Baltic sea for Lohmannella falcata (Hodge, 1863) 
Black Sea for Lohmannella falcata (Hodge, 1863) 
European waters (ERMS scope) for Agaue abyssorum (Trouessart, 1896) 
European waters (ERMS scope) for Agaue corollata Bartsch, 1978 
European waters (ERMS scope) for Agaue plutonia Bartsch, 1996 
European waters (ERMS scope) for Agauides cryosi Bartsch, 1988 
European waters (ERMS scope) for Atelopsalis tricuspis Trouessart, 1896 
European waters (ERMS scope) for Bathyhalacarus Sokolov & Yankovskaya, 1968 
European waters (ERMS scope) for Bradyagaue stocki Bartsch, 1992 
European waters (ERMS scope) for Colobocerasides koehleri (Trouessart, 1896) 
European waters (ERMS scope) for Copidognathus alvinus Bartsch, 1994 
European waters (ERMS scope) for Copidognathus magniporus Bartsch, 1973 
European waters (ERMS scope) for Copidognathus nautilei Bartsch, 1997 
European waters (ERMS scope) for Halacarellus auzendei (Bartsch, 1990) 
European waters (ERMS scope) for Halacarus actenos Trouessart, 1889 
European waters (ERMS scope) for Halacarus prolongatus Bartsch, 1996 
European waters (ERMS scope) for Halacarus spiniger Bartsch, 1973 
European waters (ERMS scope) for Lohmannella falcata (Hodge, 1863) 
European waters (ERMS scope) for Scaptognathus minutus Bartsch, 1973 
European waters (ERMS scope) for Thalassarachna alvina (Bartsch, 1994) 
European waters (ERMS scope) for Thalassarachna caecoides (Bartsch, 1978) 
European waters (ERMS scope) for Thalassarachna reticulata (Bartsch, 1978) 
Mediterranean Sea for Lohmannella falcata (Hodge, 1863) 

 Taxonomy

 for Copidognathus crassirostris (Trouessart, 1901)

doubtful identity [details]

 Taxonomy

 for Rhombognathides merrimani Newell, 1947

Species name entered for the sake of assigning parent-links. Validity needs to be checked. [details]