[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
               Superclass Pisces Linnaeus, 1758 - fishes
                 Class †Placodermi McCoy, 1848
                   1 Order †Rhenanida Broili, 1930 see Order Rhenaniformes
                   2 Order †Arthrodira Woodward, 1891 see Order Arthrodiriformes Grande & Eastman, 1986
                   3 Order †Antiarchi Cope, 1885 see Order Antiarchiformes Grande & Eastman, 1986