#NEXUS BEGIN DATA; DIMENSIONS NTAX=13 NCHAR=13; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Tangasaurs 0000000000000 Youngina 0000000000001 Acerosodontosaurus 0000000000011 Paliguana 0000000111111 Palaeagama 0000000001111 Saurosternon 0000000010111 Kuehneosaurs 0000001111111 Sphenodonts 0111111111111 Homoeosaurs 1011111111111 Sapheosaurs 1111111111111 Clevosaurs 0001111111111 Gephyrosaurus 0000111111111 Squamates 0000011111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;