#NEXUS BEGIN DATA; DIMENSIONS NTAX=20 NCHAR=22; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Hypsilophodon_foxi 0000000000000000000000 Stegoceras_validus 1000000000000000000000 Archaeoceratops_oshimai 1111111000000000001000 Asiaceratops_salsopaludalis 1001111000000000001110 Bagaceratops_rozhdestvenskyi 1111111111100000001010 Chaoyangsaurus_youngi 1000001000010000000000 Centrosaurus_apertus 1111111011101100001010 Leptoceratops_gracilis 1111111000100011101110 Graciliceratops_mongoliensis 1111111001100000001010 Montanoceratops_cerorhynchus 1111111000100000101110 Protoceratops_andrewsi 1111111111100000001010 Psittacosaurus_mongoliensis 1000011000000000010000 Triceratops_horridus 1111111011101100001010 Udanoceratops_tahizhovi 1111111000100011101111 Zuniceratops_christopheri 1111111011100100001010 Liaoceratops_yanzhiguouensis 1000111000000000000000 Psittacosaurus_sinensis 1000011000000000010000 IVPP_V12722 1000001000010000000000 Yamaceratops_gobiensis 1011111000000000000000 Prenoceratops_peiganensis 1111111000100001101111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;