Gnathiidae Leach, 1814
Bathygnathia adlerzia Cohen & Poore, 1994
Bathygnathia affinis Birstein, 1963A
Bathygnathia bathybia (Beddard, 1886)
Bathygnathia cardiocondyla Cohen & Poore, 1994
Bathygnathia curvirostris Richardson, 1908F
Bathygnathia depaolorosae George, 2003
Bathygnathia japonica Shimomura, Ohta & Tanaka, 2008
Bathygnathia magnifica Moreira, 1977B
Bathygnathia monodi Cals, 1974
Bathygnathia oedipus (Stebbing, 1913)
Bathygnathia opisthopsis Cohen & Poore, 1994
Bathygnathia porca Kensley, 1980B
Bathygnathia segonzaci (Cals, 1982)
Bathygnathia tapinoma Cohen & Poore, 1994
Bathygnathia vollenhovia Cohen & Poore, 1994
