#NEXUS BEGIN DATA; DIMENSIONS NTAX=11 NCHAR=9; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Synapsida 000000000 Eureptilia 000000011 Mesosauridae 000000011 Millerettidae 000000101 Macroleter 000011101 Acleistorhinus 000101101 Lanthanosuchidae 000101101 Owenetta 111011101 Barasaurus 111011101 Procolophonidae 011011101 Pareiasauridae 001011101 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;