#NEXUS BEGIN DATA; DIMENSIONS NTAX=17 NCHAR=15 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Dipterus_valenciennesi 000000000000000 Arganodus_atlantis 111110000000001 Asiatoceratodus_sharovi 011110000000001 Beltanodus_ambilobensis 000011100000000 Ceratodus_sturii 001110010000001 Ferganoceratodus_martini 001110000000000 Gnathorhiza_spp 000011100000000 Gosfordia_truncata 111110001000001 Lepidosiren_paradoxa 111110001110001 Neoceratodus_forsteri 001110010000000 Paraceratodus_germaini 000110000000000 Protopterus_annectens 111110001111111 Protopterus_amphibius 111110001110111 Protopterus_aethiopicus 111110001111111 Protopterus_dolloi 111110001110011 Ptychoceratodus_serratus 111110001010001 Sagenodus_spp 000010100000000 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;