Fishes
   Class Sarcopterygii Romer, 1955 - lobe-finned fishes and tetrapods see [unranked] Sarcopterygii Romer, 1955
     Order Lepidosireniformes Savage, 1951 see Order Dipnoi Müller, 1844
       1 Family Lepidosirenidae Bonaparte, 1841 - South American lungfishes
       2 Family Protopteridae Peters, 1855 - African lungfishes