#NEXUS BEGIN DATA; DIMENSIONS NTAX=10 NCHAR=9; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Eusthenopteron 000000000 Panderichthys 000000001 Elpistostege 000000011 Livoniana 000000011 Obruchevichthys 000111111 Elginerpeton 000011111 Ventastega 011100111 Metaxygnathus 001101111 Acanthostega 111100111 Ichthyostega 111100111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;