Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
         Myopterygii Janvier, 1978 - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836 see Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
               Euteleostomi - bony vertebrates see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                 Class Sarcopterygii Romer, 1955 - lobe-finned fishes and tetrapods see [unranked] Sarcopterygii Romer, 1955
                   Subclass Dipnotetrapodomorpha Nelson, 2006 see [unranked] Dipnotetrapodomorpha Nelson, 2006
                     Rhipidistia Cope, 1887
                       Tetrapodomorpha Ahlberg, 1991
                         †Rhizodontimorpha [monotypic] see [unranked] Rhizodontida Andrews & Westoll, 1970
                           Order †Rhizodontiformes Andrews & Westoll, 1970 [monotypic]
                             Family †Rhizodontidae Traquair, 1881 - rhizodontids
                               Genus †Sauripterus Hall, 1843, orth. cons.