#NEXUS [!File downloaded from graemetlloyd.com] BEGIN DATA; DIMENSIONS NTAX=14 NCHAR=12; FORMAT SYMBOLS= " 0 1 2 3" MISSING=? GAP=- ; MATRIX Megalodontidae 003000000000 Chamidae 101200000000 Requieniidae 110001000000 Heterodiceratidae 110000000000 Diceras 112000000000 Valletia 112110000000 Monopleura 112110000000 Agriopleura 112111000000 Radiolitidae 112111000011 Hippuritidae 112110?1?001 Retha 112110110000 Pacytraga 112110110000 Caprininae 112110111100 Coalcomaninae 112110111100 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;