#NEXUS BEGIN DATA; DIMENSIONS NTAX=7 NCHAR=7; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Ornithopod 0000000 Pachycephalosauria 1000000 Psittacosaurus 1110010 Chaoyangsaurus 1010011 Archaeoceratops 1111001 Leptoceratops 1111101 Ceratopsidae 1111101 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;