#NEXUS BEGIN DATA; DIMENSIONS NTAX=11 NCHAR=9; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Ptyonius 000000000 Sauropleura 000000011 Urocordylus 000000011 Scincosaurus 000000101 Keraterpeton 000001101 Diceratosaurus 000011101 Batrachiderpeton 000111101 Diplocaulus 011111101 D_minimus 111111101 Diploceraspis 111111101 Peronedon 001111101 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;