#NEXUS BEGIN DATA; DIMENSIONS NTAX=23 NCHAR=34; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Tunicata 0000000000000000000000000000000000 Cephalochordata 0000000000000000000000000000000001 Hyperotreti_hagfishes 0000000000000000000000000000001111 Myxinikela 0000000000000000000000000000001111 Gilpichthys 0000000000000000000000000000010111 Hyperoartia_lampreys 0000000000000000001111111111110011 Mayomyzon 0000000000000000000000111111110011 Hardistiella 0000000000000000010111011111110011 Pipiscius 0000000000000000001011111111110011 Jamoytius 0000000000001111110001000111110011 Euphanerops 0000000000111111100000000001110011 Anaspida 0000000001110111100000000001110011 Astraspida 0000000111010001100000000000110011 Eriptychius 0000001111010001100000000000110011 Arandaspida 0000011111010001100000000000110011 Heterostraci 0000011111010001100000000000110011 Phlebolepis 0011100011010011100000000000110011 Loganellia 0001100011010011100000000000110011 Galeaspida 0000100011010011100000000000110011 Pituriaspida 1111100011010011100000000000110011 Osteostraci 1111100011010011100000000000110011 Gnathostomata 0111100011010011100000000000110011 Conodonta 0000000000000000100000001011110011 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;