#NEXUS BEGIN DATA; DIMENSIONS NTAX=16 NCHAR=25 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Haptodus 0000000000000000000000000 Dimetrodon 1000000000000000000000000 Edaphosaurus 1110000000000000000000000 Phthinosuchus 1111111111111111100000000 Phthinosaurus 1101111111000000011100000 Eotitanops 1111111110111111000000000 Gorgodon 1111110000111000000000000 Biarmosuchus 1111001000100100000000000 Archaeosyodon 1111101100110110010010000 Eosyodon 1111101100110110010010000 Estemmenosuchus 1111111111111111101101100 Dimacrodon 1111111111111111101001000 Otsheria 1111111111111111101101100 Gorgonopsian 1111111111111111101001010 Brithopodan 1111111111111111101001011 Dicynodont 1111111111111111101001011 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;