Ancestor 0000 0 00000 0 0 00000000 0000000000 000 0 000000 0000000000 0000000000 0000000000 000 0 0 0000 Marginocephalia 0000 0 00000 0 0 00000000 0000000000 000 0 000000 0000000000 0000100000 0000000000 000 0 0 0000 Heterodontosauridae 0000 0 00100 0 0 10000000 0010000010 000 0 000000 0000010000 0000000000 0000000001 000 0 0 0000 Agilisaurus_multidens 0?00 1 0?000 1 1 00000??? 010?201002 001 0 000000 ???0000000 ?000000100 0020000000 000 0 0 0000 Thescelosaurus_neglectus 1??0 ? ????? ? 1 11?????? 010??01002 001 1 101011 1010001000 0000100100 0021010010 ?00 0 0 0000 Parksosaurus_warreni 1?10 1 ??0?? ? 1 ????0??? 0???2110?2 001 ? ??1011 1010000??? ????10?100 0021101000 ?00 0 0 ?00? Hypsilophodon_foxii 0000 1 00000 0 1 00001000 0000001011 101 1 100001 1010100000 0000000100 0020000000 001 0 0 0000 Gasparinisaura_cincosaltensis 0?10 1 ????0 0 ? 0001???? 01??001110 00? ? 1??1?? 100001???? ????1001?? ??20001000 0?? ? 0 ?000 Tenontosaurus_tilletti 1111 1 10011 0 1 10011110 1112010010 100 1 111110 1000110000 0110100100 0011010011 100 1 0 0001 Tenontosaurus_dossi 1111 ? 10011 0 0 10?1??10 1?11010010 100 1 1?0110 10000?0?0? 01?0100100 0011010011 100 0 0 0001 Dryosaurus_altus 0110 0 10110 1 0 100????1 0112211111 100 1 1?0110 000?010000 ?1?0100111 1110110001 111 0 0 ?00? Dryosaurus_lettowvorbeckii 0110 0 10110 1 0 100??011 0112111110 100 1 1?0110 0000010??? ?1?0100111 1110110001 111 0 0 0000 Camptosaurus_dispar 1110 0 11110 1 0 10110111 1112210111 100 0 101110 0100011111 1110000111 1111010011 101 1 0 0001 Iguanodon_atherfieldensis 1110 1 11110 1 0 11110111 1112210112 100 0 111110 0110011111 1111100111 1111011111 111 1 1 0001 Iguanodon_bernissartensis 1110 1 11110 1 0 11110111 1112210112 100 0 111110 0110011111 1111100111 1111011111 111 1 1 0001 Rhabdodon_priscus ???? ? ????? ? ? ???????? 1????1101? 111 1 1??11? ??101????? ????0??100 ?011110001 1?? 1 ? ?000 Zalmoxes_robustus 1011 ? 00001 1 0 10010101 1112011010 111 1 1??11? ??0?1????? ????011001 10?1110011 1?? 1 ? 1011 Zalmoxes_shqiperorum ???? ? ????? ? 1 ???????? 111??????0 111 1 1??1?? 1001?????? ????011001 1121110?11 1?? ? ? 0011 Mochlodon_vorosi ???? ? ????? ? ? ??01???? 111??11010 111 1 1??1?? ??01?1???? ?????????? ???01?000? ??? ? ? 1101