#NEXUS [File downloaded from graemetlloyd.com] BEGIN DATA; DIMENSIONS NTAX=4 NCHAR=21 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Sclerocephalus (01)0(01)010111000(01)0000100(01) Glaukerpeton 000000000000000000000 Onchiodon 1111101110(01)00101010?0 Eryops 111111111101111111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;