#NEXUS BEGIN DATA; DIMENSIONS NTAX=14 NCHAR=12 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Seymouria 000000000000 Limnoscelidae 110000000000 Diadectidae 110000000000 Synapsida 011000000000 Mesosauridae 011110000000 Millerettidae 011111000000 Pareiasauria 011111110000 Procolophonidae 011111111000 Testudines 011111111000 Captorhinidae 011010000100 Paleothyris 011010000110 Araeoscelidia 011010000111 Younginiformes 011010000111 Eunotosaurus 011111010000 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;