#NEXUS BEGIN DATA; DIMENSIONS NTAX=12 NCHAR=13 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Dendrerpeton 0000000000000 Eryops 1000000000000 Trimerorhachis 1111000000010 Neldasaurus 1111000000010 Perryella 1011100000000 Isodectes 1011110000001 Acroplous 1011111000001 Dvinosaurus 1011111100000 Slaugenhopia 1011111110100 Tupilakosaurus 1011111111000 Thabanchuia 1011111111100 Archegosaurus 1001000000010 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;