#NEXUS BEGIN DATA; DIMENSIONS NTAX=9 NCHAR=8; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Glyptolepis 00000000 Megalichthys 00000011 Eusthenopteron 00000111 Gooloogongia 00000001 Panderichthys 00001111 Acanthostega 01111111 Ichthyostega 01111111 Elpistostege 10011111 Tiktaalik 10111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;