#NEXUS BEGIN DATA; DIMENSIONS NTAX=9 NCHAR=9; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Protopterus_annectens 000000000 Chaoceratodus_portezuelensis 000000001 Ceratodus_sturii 000000111 Ameghinoceratodus_iheringi 000000011 Ptychoceratodus_serratus 000001111 Metaceratodus_wollastoni 000111111 Neoceratodus_forsteri 111111111 Neoceratodus_brasiliensis 011111111 Mioceratodus_anemosyrus 101011111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;