#NEXUS BEGIN DATA; DIMENSIONS NTAX=12 NCHAR=24; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Pentamerus_palaformis 000000000000000000000000 Deloprosopus_jiangshanensis 000000000011111111111111 Tcherskidium_unicum 000000011100000000011111 Virgiana_barrandei 000111100011111111111111 Virgiana_mayvillensis 000011100011111111111111 Virgiana_decussata 000101100011111111111111 Viridita_lenticualris 011000100000000111100111 Proconchidium_munsteri 000000001100001000001011 Eoconchidium_indigiricum 101000000000111001111111 Pseudoconchidium_kozhimicum 000000010100000000011001 Paraconchidium_shiqianensis 100000000001011010111111 Brevilamnulella_thebesensis 011000100000000111100111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;