Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Teleostomi Class Osteichthyes Huxley, 1880 [paraphyletic] - bony fishes see [unranked] Euteleostomi Subclass Sarcopterygii Romer, 1955 see Clade Sarcopterygii Romer, 1955 Order Crossopterygii Huxley, 1861 - lobe-finned fishes see Infraclass Crossopterygii Huxley, 1861 Suborder †Rhipidistia Cope, 1887 Superfamily †Holoptychoidea 1 Family †Powichthyidae Jessen, 1975 2 Family †Holoptychidae see Family Holoptychiidae Owen, 1859 3 Family †Porolepidae