#NEXUS BEGIN DATA; DIMENSIONS NTAX=7 NCHAR=5; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Actinopterygii 00000 Actinistia 00001 Amniota 00111 Anura 11111 Caudata 11111 Dipnoi 00011 Apoda 01111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;