#NEXUS BEGIN DATA; DIMENSIONS NTAX=12 NCHAR=11 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Varanopseidae 00000000000 Ophiacodontidae 10000000000 Edaphosauridae 11000000000 Haptodus 11100000000 Palaeohatteria 11110000000 Pantelosaurus 11111100000 Cutleria 11111110001 Sphenacodon 11111111101 Dimetrodon 11111111101 Biarmosuchus 11111110111 Dinocephalia 11111110111 Ianthodon 11110100001 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;