#NEXUS BEGIN DATA; DIMENSIONS NTAX=20 NCHAR=18 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Petrolacosaurus 000000000000000000 Youngina 100000000000000000 Trilophosaurus 110000000000000000 Rhynchosaurus 111111000000000000 Mesosuchus 110111000000000000 Howesia 111111000000000000 Drepanosaurus 110001111110000000 Megalancosaurus 110001011110000000 Vallesaurus 110001111110000000 Macrocnemus 110001001111110000 Langobardisaurus 110001001111111000 Tanystropheus 110001001111111100 Tanytrachelos 110001001111111100 Dinocephalosaurus 110001001110110000 Boreopricea 110001001110010000 Protorosaurus 110001000110000000 Jesairosaurus 110001000010000000 Prolacerta 110011000000000010 Proterosuchus 110011000000000011 Euparkeria 110011000000000011 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;