[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
       Order Aulopiformes Rosen, 1973 - lizardfishes
         Family Synodontidae Gill, 1861 - lizardfishes
           Genus Bathysaurus Günther, 1878
             1 Bathysaurus ferox Günther, 1878 - deepsea lizardfish
             2 Bathysaurus mollis Günther, 1878 - highfin lizardfish