#NEXUS BEGIN DATA; DIMENSIONS NTAX=13 NCHAR=11; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Reptilia 00000000000 Cotylorhynchus 00000000011 Eothyris 00000000011 Archaeothyris 00000001101 Ophiacodon 00000001101 Mycterosaurus 00011110101 Mesenosaurus 00011110101 Elliotsmithia 00100110101 Aerosaurus 01100110101 Varanops 11100110101 Varanodon 11100110101 Archaeovenator 00000010101 BP_slash_1_slash_5678 00001110101 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;