#NEXUS BEGIN DATA; DIMENSIONS NTAX=23 NCHAR=21; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Ancestor 000000000000000000000 Cycloderma_aubryi 000000000000000011111 Pelochelys_bibroni 000000000001111100001 Amyda_cartilaginea 000000000000111100001 Cyclanorbis_elegans 000000000000000000111 Rafetus_euphraticus 000000000110011100001 Apalone_ferox 000000001110011100001 Nilssonia_formosus 000000010000001100001 Cycloderma_frenatum 000000000000000011111 Aspideretes_gangeticus 000000100000000100001 Aspideretes_hurum 000000100000000100001 Chitra_indica 000000000001111100001 Apalone_mutica 000001001110011100001 Lissemys_punctata 000010000000000000011 Cyclanorbis_senegalensis 000000000000000001111 Pelodiscus_sinensis 001100010000001100001 Apalone_spinifera 000001001110011100001 Palea_steindachneri 000100010000001100001 Dogania_subplanus 001100010000001100001 Trionyx_triunguis 000000000010011100001 Plastomenus_aff_thomasii 010010000000000000011 Hutchemys_rememdium_nov_sp 110010000000000000011 Hutchemys_arctochelys_nov_sp 110010000000000000011 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;