#NEXUS BEGIN DATA; DIMENSIONS NTAX=21 NCHAR=33; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Conchopoma 000000000000000000000000000000000 Aphelodus 000000000000000000000000000000001 Archaeoceratodus 000000000000000011111111111111111 Arganodus 000000000111111100000000011111111 Ariguna 000001111001111100000111100111111 Asiatoceratodus 000010000011111100001000001111111 Beltanodus 000000011001111100000001100111111 Ceratodus 000001111001111100000111100111111 Ferganoceratodus 000000000111111100000000011111111 Gnathorhiza 000000000000111100000000000011111 Gosfordia 000010000011111100001000001111111 Lepidosiren 011100001001111101110000100111111 Megapleuron 000000000000001100000000000000111 Metaceratodus 000000000000010100000000000001011 Microceratodus 100000111001111110000011100111111 Mioceratodus 001100001001111100110000100111111 Namatozodia 000000111001111100000011100111111 Neoceratodus 000100001001111100010000100111111 Paraceratodus 000000000000000000000000000000001 Protopterus 011100001001111101110000100111111 Ptychoceratodus 100000111001111110000011100111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;