Sarcopterygii Romer, 1955 Rhipidistia Cope, 1887 Dipnomorpha Ahlberg, 1991 1 †Porolepiformes Jarvik, 1942 see Order Porolepiformes Jarvik, 1942 2 Dipnoiformes Cloutier, 1990 see [unranked] Dipnoi Müller, 1844