[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       Order Ophidiiformes Rafinesque, 1810 - cusk-eels
         Family Bythitidae Gill, 1861 - livebearing brotulas
           1 Genus Bellottia Giglioli, 1883
           2 Genus Bythites Reinhardt, 1835
           3 Genus Cataetyx Günther, 1887
           4 Genus Grammonus Goode & Bean, 1895
           5 Genus Thalassobathia Cohen, 1963
           6 Genus Melodichthys Nielsen & Cohen, 1986