[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 Ophidiiformes Regan, 1912 - cusk-eels
         Family Aphyonidae Jordan & Evermann, 1898 - aphyonids see Family Bythitidae Gill, 1861
           Genus Sciadonus Garman, 1899
             1 Sciadonus cryptophthalmus (Zugmayer, 1911)
             2 Sciadonus galatheae (Nielsen, 1969)
             3 Sciadonus pedicellaris Garman, 1899