Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Teleostomi Class Osteichthyes Huxley, 1880 [paraphyletic] - bony fishes see [unranked] Euteleostomi Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891 Infraclass Chondrostei Müller, 1844 see Subclass Chondrostei Müller, 1844 Order Acipenseriformes Berg, 1940 - sturgeons Suborder Acipenseroidei [monotypic] Family Acipenseridae Bonaparte, 1832 - sturgeons