Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Superclass Pisces Linnaeus, 1758 - fishes 1 Chondrichthyes Huxley, 1880 - cartilaginous fishes 2 Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi 3 Cephalaspidomorphi Moy-Thomas & Mile, 1971 4 Pteraspidomorphi Goodrich, 1909