#NEXUS [!File downloaded from graemetlloyd.com] BEGIN DATA; DIMENSIONS NTAX=20 NCHAR=62; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Aneurophyton 0?00000?00???0000000000?000000?0000?000000000??000000000?00??? Archaeopteris 010?000?00???100000000??000000?1000?000000000??100000000?00??? Early_Carb_lygonopterids ??0010000000?0000000010?00000000000?010?101000?10000?000?000?? Higher_lygonopterids 100010000000?0000000010?10010000000?010?101000?10000?000?000?? Medullosa 100010000000??101000011?10010000100?010?101101?1001000?0?0?0?? Callistophyton 1000100100?0?1000000010?100100001000110??11100?1101100?00??0?? Glossopteridales 10?0110?10?0?10???0000????0??000?000000??1?10011101101?0???0?? Peltaspermum ??0?100100?0????????????110100001000100??111??011010?0?0???0?? Corystospermaceae ??0010000000??101000000?100110001101100??111??011011?0?1?????? Caytonia 1000100?1010????????????110100001100?10??1110011101100?1?????? Cycadales ???0110?00000101100001101?01?00?100?100?10?1010110100010000000 Bennettitales 10?0110?0001?1010001011???11100?010?0110???110?110101011??00?? Pento_ylon 10?0110?0000??1??101010???10100?010?0?10?1?100111010?0?1?????? Euramerican_cordaites 1010?01?0000?1000000000??01?0101?00?0001?1?10??1000100?000?0?? Ginkgoales 1010?01?00000101?1100000?01?0101?00??000?1?1000110100010000000 Coniferales 1010?01?0000010100100010?01?0101?00?1000?1?1000100110010000000 Ephedra 11?1??1?00001101?1101101??1??11??01?0111?1?1100111101111010000 Welwitschia 11?1??1?11010101?1101111??1??11??01?0111?1?11001101011?1111111 Gnetum 11?1110?11011101101?1101??1??11??01?0?1110?11001110010?1111111 angiosperms 10?0110?111111011001?1011101100?1101?100????001110101011?10010 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;