#NEXUS BEGIN DATA; DIMENSIONS NTAX=15 NCHAR=12; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Reptilia 000000000000 Cotylorhynchus 000000000011 Eothyris 000000000011 Archaeothyris 000000001101 Ophiacodon 000000001101 Mycterosaurus 000001110101 Mesenosaurus 000001110101 Elliotsmithia 000010110101 Aerosaurus 000110110101 Varanops 011110110101 Varanodon 101110110101 Archaeovenator 000000010101 Watongia 101110110101 RS_varanopid 011110110101 Pyozia 000000010101 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;