#NEXUS BEGIN DATA; DIMENSIONS NTAX=12 NCHAR=16 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Zygorhiza 0000000000000000 Xenorophid 1100000001100000 Squalodontoid 1100000001100000 Tursiops 1110000000100000 Physeter 1111000000000000 Mesoplodon 1111000000000000 Herpetocetus 0100111100010000 Parietobalaena 0100111100011100 Pelocetus 0100011100011110 Balaenopterids 0100001110000111 Balaenids 0100000100010111 Eschrichtius 0100001110000111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;