#NEXUS BEGIN DATA; DIMENSIONS NTAX=7 NCHAR=5 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Cymbospondylus 00000 Temnodontosaurus 10000 Ichthyosaurus 11000 Stenopterygius 11110 Ophthalmosaurus 11101 Mollesaurus 11101 Chacaicosaurus 11110 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;