#NEXUS BEGIN DATA; DIMENSIONS NTAX=21 NCHAR=23 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Hypothetical_outgroup 00000000000000000000000 Plesiochelyidae 10000000000000000000000 Xinjiangchelys 11000000000000000000000 Sinemydidae 11100000000000000000000 Chelydridae 11111000000000000000001 Chelomacryptodira 11101000000000000000011 Toxochelys 11111100000000000000010 Ctenochelys 11111110000000000000010 Euclastes 11111111000000000000010 Puppigerus 11111111110000000000010 Chelonia 11111111110000000000010 Bouliachelys 11111111011100000001110 Notochelone 11111111011111100001110 Santanachelys 11111111011101100001010 Desmatochelys 11111111011111110001110 Chelosphargis 11111111011111111001110 Protostega 11111111011111111001110 Corsochelys 11111111010100000100010 Mesodermochelys 11111111010100000110010 Dermochelys 11111111010100000110010 Ocepechelon 11111111011100100000010 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;