#NEXUS BEGIN DATA; DIMENSIONS NTAX=18 NCHAR=20; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Dryosaurus 00000000000000000000 Camptosaurus 10000000000000000000 Iguanodon_a 11110000000000000001 Iguanodon_b 10110000000000011010 Ouranosaurus 11111000000000011000 Lurdusaurus 10010000000000000000 Protohadros 11111110000000010111 Altirhinus 11111011000000010011 Eolambia 11111011000000010111 Mazongshan_sp 10010000000000000000 Probactrosaurus 11111110100000010111 Telmatosaurus 11111110110000010111 Bactrosaurus 11111110111000010111 Edmontosaurus 11111110111111010111 Brachylophosaurus 11111110111111010111 Saurolophus 11111110111011010111 Parasaurolophus 11111110111001110111 Corythosaurus 11111110111001110111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;