Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020] Order Acipenseriformes Berg, 1940 - paddlefishes and sturgeons Family Acipenseridae Bonaparte, 1831 - sturgeons Family †Chondrosteidae Huxley, 1861 Family †Errolichthyidae Lehman, 1952 Family Polyodontidae Bonaparte, 1835 - paddlefishes