#NEXUS BEGIN DATA; DIMENSIONS NTAX=8 NCHAR=5 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Ancestor 00000 Askeptosaurus 10000 Thalattosaurus 11110 Anshunsaurus 10010 Clarazia 10110 Hescheleria 10110 Xinpusaurus 11111 Nectosaurus 11111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;