[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Subdivision Deuterostomia Grobben, 1908 see Infrakingdom Deuterostomia Grobben, 1908
           Phylum Chordata Bateson, 1885 - chordates
             Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
               Superclass Pisces Linnaeus, 1758 - fishes
                 Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                   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 - paddlefishes and sturgeons
                         Family Polyodontidae Bonaparte, 1835 - paddlefishes
                           Genus Polyodon Bloch & Schneider, 1801
                             Polyodon spathula (Walbaum, 1792) - paddlefish