#NEXUS BEGIN DATA; DIMENSIONS NTAX=6 NCHAR=4; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX OVIRAPTOROSAURIA 0000 DEINONYCHOSAURIA 1000 Archaeopteryx 1100 Confuciusornis 1110 ENANTIORNITHES 1111 EUORNITHES 1111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;