#NEXUS BEGIN DATA; DIMENSIONS NTAX=17 NCHAR=23 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Dipterus 00000000000000000000000 Chirodipterus 10000000000000000000000 Sagenodus 11100000000000000000000 Ctenodus 10100000000000000000000 Gnathorhiza 11111110000000000101111 Ceratodus 11101111110000011110011 Ferganoceratodus 11101110010000011000001 Ptychoceratodus 11101111111100011100111 Lepidosiren 11101111110110011101111 Protopterus 11101111110110011101111 Mioceratodus 11101110110001010110000 Neoceratodus 11101110110001010110000 Gosfordia 11101111111100011100111 Persephonichthys 11111110000000000101111 Uronemus 11100010000000100000000 Paraceratodus 11100110000000010000000 Conchopoma 11100010000000100000000 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;