#NEXUS BEGIN DATA; DIMENSIONS NTAX=19 NCHAR=29; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Chionopsis_procancellata 00000000000000000000000000000 Chionopsis_amathusia 00000000000000000000000000011 Puberella_cribraria 00000000000000000000000000101 Lirophora_athleta 00000000000000000000001111111 Panchione_ulocyma 00000000000000000000001111111 Mercenaria_mercenaria 00000000000000000000000011111 Chione_elevata 00000000000001111111110101111 C_californiensis 00000011111111111111110101111 C_undatella 00000001111111111111110101111 C_tumens 00011100000010000011110101111 C_compta 00100100011110111111110101111 C_cancellata 01101100001110011111110101111 C_guatulcoensis 00000000000000000101110101111 C_mazyckii 00000000000000000000110101111 C_chipolana 00000000000000000000010101111 C_erosa 00000000111111111111110101111 C_peabodyi 10000011111111111111110101111 C_subimbricata 01011100000110001011110101111 C_pailasana 10000011111111111111110101111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;