#NEXUS BEGIN DATA; DIMENSIONS NTAX=13 NCHAR=11 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Seymouria 00000000000 Limnoscelidae 11000000000 Diadectidae 11000000000 Synapsida 01100000000 Mesosauridae 01111000000 Millerettidae 01111100000 Pareiasauria 01111110000 Procolophonidae 01111111000 Testudines 01111111000 Captorhinidae 01101000100 Paleothyris 01101000110 Araeoscelidia 01101000111 Younginiformes 01101000111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;