Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Chordata Bateson, 1885 - chordates
     Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Sarcopterygii Romer, 1955 - lobe-finned fishes and tetrapods see Clade Sarcopterygii Romer, 1955
                   Dipnotetrapodomorpha Nelson, 2006 see [unranked] Dipnotetrapodomorpha Nelson, 2006
                     Rhipidistia Cope, 1887
                       Tetrapodomorpha Ahlberg, 1991
                         Osteolepidimorpha
                           †Elpistostegidae Romer, 1947 - elpistostegids
                             †Elpistostege Westoll, 1938