Phylum [Vertebrata] (Lamarck, 1801) Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891 Order †Semionotiformes Aramboug & Bertin, 1958 Genus †Dapedium Leach, in De la Beche, 1822