[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 Aulopiformes Rosen, 1973 - lizardfishes
         Family Ipnopidae Jordan, 1923
           Genus Bathytyphlops Nybelin, 1957
             1 Bathytyphlops sewelli (Norman, 1939)