#NEXUS
begin data;
  dimensions ntax=23 nchar=109;
  format datatype=standard gap=- missing=? Interleave=no;
  matrix 
    Tunicata            101000000900090990?0900090010??00000001000000?0000000?0000900000000000000000000099000900900000001011990999099
    Cephalochordata     001000000000090990?09000900000001001100010000?000000010000900000000000000000000099000900900000000011990999099
    Myxinoidea          100101001101111000110001001?00001000110010110100000011111091?111000000010001000099000900900000001109000009?99
    Myxinikela          ????????????1?10??1???????101?0???00????????010?0000?0???09?????0?????01000?000099000900900000??????0????9?99
    Petromyzontida      1011111010111011111100111010110011011111001011010001101111111111011001100001000099000900900000111111011119099
    Mesomyzon           ??????????????????1???????101?0??101?????????10?000110???11?????0?????10000?000099000900900000???????????9?99
    Priscomyzon         ??????????????????0???????101?0???011???????000?000?????1101????0????110000?000099000900900000???????????9?99
    Mayomyzon           ?????????????0????0???????101?0???011???????010?000?0??????1?1??0????100000?000099000900900000???????????9?99
    Haikouichthys       ??????????????????1????????01000??00????????00010000?1??009?10000?????00000?000099000900900000???????????9099
    Heterostraci        ?11???1?????????1?0110?111111000?100???????101000003111??09?1??00?????00100?110110111001011000?????0?1???9?11
    Astraspis           ??1??????????????????0?100101100???????????1?1??000???1?????????0???????100?11011210101??11??0?????0?????9?10
    Arandaspida         ??1????????????????????110100100??00????????010?000??01??09?????0?????001???1101?2111111011?1??????0?????9?11
    Anaspida            ??1?????????1?11???????110100100??00????????01111001101??09?????0?????00100?110099001101010000?????10??????10
    Jamoytius           ????????????1?10???????????0010???10????????????100??01???9?????0????1001???1??09900?100900000??????0????0??9
    Euphanerops         ??????????????????????????10010??110?????????11110011?1?????1???0????100?0?1000099?00?00900000???????????0199
    Osteostraci         ?011?11?????1011?10111?111101911?110?11?01?1110101022011?09?1??00?1110001110101100101001010111?????101?1?9?11
    Galeaspida          ?11??11?????11111?0111?111101910?110?????1?1?1??000??011?09?1??00?1110001010110099001001010100?????101???9?01
    Loganellia          ???????????????????????111?01101??00????????11101003101??09????00?????00100?110100001000110000???????????1?00
    Turinia             ??????????????????????????1011?1??00?????????1?010??1?1?????????0?????0010??1101100010001100?0???????????1?00
    Jawed_vertebrates   1111111101111909111111111100100101000111111011110112201000901000111110001110101111101000110011110000121119110
    Euconodonta         ?????????????????1?????????????????0????????01010001101?009????10????00?000?1001?1001?00100000???????????9?19
    Cornovichthys       ??????????????????1?????????010?????????????090??00111??????????0???????00090?0099??090?9000?0?????????????99
    Achanarella         ????????????????????????????0?0?????????????111??00?????????????0???????00090?0099??090?9000???????????????99
  ;
end;