#NEXUS BEGIN DATA; DIMENSIONS NTAX=11 NCHAR=19; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Petrolacosaurus 0000000000000000000 Youngina 0000000000000000001 Paliguana 0000000000000111111 Saurosternon 0000000000000000011 Kuehneosaurus 0000000000111111111 Marmoretta 0000001111011001111 Sophineta 0001111111011001111 Gephyrosaurus 0111111111011001111 Squamata 1110110111011001111 Prolacerta 0000000001001000111 Megachirella_wachtleri 1010010011111011111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;