#NEXUS BEGIN DATA; DIMENSIONS NTAX=17 NCHAR=15; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Tinamidae 000000000000000 Diomedeidae 000000000001111 Hydrobatidae 000000000011111 Procellariidae 000000000011111 Prophaethon 000000001100111 Lithoptila 000000001100111 Phaethontidae 000000000100111 Fregatidae 000001110000011 Pelecanidae 000011110000011 Sulidae 000111110000011 Phalacrocoracidae 001111110000011 Anhingidae 001111110000011 Balaenicipitidae 000000110000011 Scopidae 000000010000011 Spheniscidae 010000000000001 Gaviidae 110000000000001 Podicipedidae 110000000000001 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;