#NEXUS BEGIN DATA; DIMENSIONS NTAX=13 NCHAR=8; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Outgroup 00000000 Ornithopoda 10000000 Ceratopsia 10000000 Wannanosaurus 11000000 Goyocephale 11100000 Homalocephale 11110000 Ornathotholus 11111000 Stegoceras_validum 11111110 Tylocephale 11111111 Prenocephale 11111111 Pachycephalosaurus 11111111 Stegoceras_edmontonese 11111110 Stygimoloch 11111010 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;