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 Cladistia Cope, 1870 [monotypic]
                     Order Polypteriformes [monotypic] - bichirs
                       Family Polypteridae Bonaparte, 1835 - bichirs
                         1 Genus †Dagetella
                         2 Genus †Latinopollis nom. null. see Genus Latinopollia Meunier & Gayet, 1998
                         3 Genus †Sainthilairia Gayet & Meunier, 1996
                         4 Genus †Serenoichthys Dutheil, 1999
                         5 Genus Erpetoichthys Smith, 1865 [monotypic]
                         6 Genus Polypterus Lacepède, 1803 - bichir