#NEXUS BEGIN DATA; DIMENSIONS NTAX=19 NCHAR=17; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Petrolacosaurus 00000000000000000 Youngina 00000000000000001 Champsosaurus 00000000000001111 Cteniogenys 00000000000001111 Lazarussuchus 00000000000000111 Squamata 00000000000110011 Gephyrosaurus 00000000000110011 Macrocnemus 00000001111010011 Langobardisaurus 00000011111010011 Tanystropheus 00000011111010011 Megalancosaurus 00000100111010011 Drepanosaurus 00000100111010011 Protorosaurus 00000000011010011 Trilophosaurus 00001000001010011 Mesosuchus 00111000001010011 Howesia 00111000001010011 Prolacerta 01011000001010011 Proterosuchus 11011000001010011 Euparkeria 11011000001010011 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;