#NEXUS BEGIN DATA; DIMENSIONS NTAX=32 NCHAR=30; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Ancestor 000000000000000000000000000000 Casea 000000000000000000000000000011 Ophiacodon 000000000000000000000000000111 Edaphosaurus 000000000000000000000000001111 Sphenacodontinae 000000000000000000000000011111 Biarmosuchia 000000000000000000000000111111 Dinocephalia 000000000000000000000001111111 Gorgonopsia 000000000000000000000011111111 Dicynodontia 000000000000000000000111111111 Therocephalia 000000000000000000001111111111 Procynosuchus 000000000000000000011111111111 Thrinaxodon 000000000000000000111111111111 Diademodon 000000000000000001111111111111 Exaeretodon 000000000000000011111111111111 Tritylodontidae 000000000000000111111111111111 Morganucodontidae 000000000000001111111111111111 Mammalia 000000000000001111111111111111 Testudines 000000000001110000000000000001 Captorhinidae 000000000000110000000000000001 Araeoscelidia 000000000011010000000000000001 Lepidosauromorpha 000000000111010000000000000001 Rhynchosauria 000000001111010000000000000001 Trilophosaurus 000000111111010000000000000001 Choristodera 000001011111010000000000000001 Protorosauria 000011011111010000000000000001 Proterosuchidae 000111011111010000000000000001 Erythrosuchidae 001111011111010000000000000001 Proterochampsidae 011111011111010000000000000001 Pseudosuchia 111111011111010000000000000001 Ornithosuchia 111111011111010000000000000001 T_buettneri 000000111111010000000000000001 T_jacobsi 000000111111010000000000000001 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;