Superphylum Deuterostomia Grobben, 1908 - deuterostomes
see Infrakingdom Deuterostomia Grobben, 1908
Phylum Chordata Bateson, 1885 - chordates
Subphylum Craniata auct.
see Subphylum Vertebrata Cuvier, 1812
Vertebrata (Lamarck, 1801) - vertebrates
see Subphylum Vertebrata Cuvier, 1812
Myopterygii - myopterygians
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Grade Teleostomi Bonaparte, 1836
Euteleostomi - bony vertebrates
Class Actinopterygii Woodward, 1891 - ray-finned fishes
Subclass Chondrostei Müller, 1844 [monophyletic?]
Order Acipenseriformes Berg, 1940 - sturgeons
Suborder Acipenseroidei
Family Polyodontidae Bonaparte, 1835 - paddlefishes
Genus Polyodon Schneider, 1801
†Polyodon tuberculata Grande & Bemis, 1991