#NEXUS BEGIN DATA; DIMENSIONS NTAX=22 NCHAR=31; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Acanthostega 0000000000000000000000000000000 Crassigyrinus 0000000000000000000000111111111 Greererpeton 0000000000000000000000000000001 Balanerpeton 0000000000000000000001000000111 Dendrerpeton 0000000000000000000001000000111 Eucritta 0000000000000000111110000001011 Baphetes 0000000000000000011110000001011 Whatcheeria 0000000000000000000110000001011 Eoherpeton 0000000000000001000000011111111 Gephyrostegus 0000000000000010000000001111111 Proterogyrinus 0000000000000101000000111111111 Pholiderpeton 0000000000000101000000111111111 Casineria 0000111111111000101010000011111 Bruktererpeton 0000000000000010000000001111111 Petrolacosaurus 0011001111111000101010000011111 Westlothiana 0000010001111000101010000011111 Saxonerpeton 0100000000111000101010000011111 Microbrachis 0100000000011000101010000011111 Paleothyris 1011100111111000101010000011111 Seymouria 0000000000001000101010000011111 Captorhinus 1001000011111000101010000011111 Caerorhachis 0000000000000000000000000111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;