Masanan burbushin halittun Amurka sun gano ragowar wata bakuwar dabba a Texas, wacce ta zama "mai ido uku". Dabbar ta rayu kimanin shekaru miliyan 225 da suka gabata, tun kafin farkon zamanin dinosaur.
Idan aka yi la'akari da rayayyun sassan kwarangwal, dabbobi masu rarrafe kusan ba su bambanta da bayyana daga "butting" pachycephalosaurs ba, amma a lokaci guda ya zama kamar kada. A cewar Michelle Stoker ta Virginia Tech, da rarrafe Triopticus ya nuna cewa haduwa tsakanin dinosaur da kada ya kasance gama-gari fiye da yadda ake tsammani. A bayyane yake, takamaiman abubuwan da ke ciki, kamar yadda aka yi imani da shi a baya, kawai a cikin dinosaur, ba su bayyana a zamanin dinosaur ba, amma a zamanin Triassic - kimanin shekaru miliyan 225 da suka gabata, wanda ya kasance da yawa a baya.
A cewar masanan burbushin halittu, zamanin Triassic gabaɗaya shine lokaci mafi ban sha'awa a tarihin halittar duniya, idan ka kalle shi ta fuskar bayyanar da mutanen da ke zaune a duniyar. Misali, babu wani shugaba bayyananne tsakanin dabbobi masu farauta. Gorgonops na saber-hakori, shuwagabannin da babu shakku a kansu na duniyar da aka yi fatali da zamanin Paleozoic, sun bar gaba daya tare da babbar halaka ta Permian, kuma kungiyoyi daban-daban na archosaurs sun fara gwagwarmayar neman gurbi, wanda ya hada da dinosaur da crocodiles.
Misali mai kyau na gasar a lokacin ana iya ɗaukarsa ƙaton kada mai tsayin mita uku na Carnufex carolinesis, wanda kuma ake kira Caroline mahautan. Wannan dabbar, da yake kada, amma duk da haka ya motsa a gabobin bayanta kamar dinosaur kuma shi ne wanda ya kasance saman dutsen dala na yankin Arewacin Amurka shekaru miliyan 220-225 da suka gabata. Ya yi kama da mai kama da dinosaur-mai farauta, kamar iguanodon, fiye da kada mai zamani.
Zai yiwu wasu kadoji da ba a saba gani ba suma suna daga cikin wadanda wannan 'crocosaur' din ya shafa - mai "ido uku" Triopticus, wanda aka gano gawarsa ba zato ba tsammani a cikin kayan da ake hakowa wadanda aka ajiye su a hankali a daya daga cikin gidajen tarihin Amurka.
A cikin bayyanar, triopticus yayi kamanceceniya da pachycephalosaurus, wanda yake da kaurin kwane sosai. Irin wannan kaurin wannan bangare, a cewar masana binciken burbushin halittu, ya ba da damar pachycephalosaurs su yi kutse da juna a cikin yaƙe-yaƙe don shugabanci ko don haƙƙin saduwa. Koyaya, waɗannan dinosaur ɗin sun bayyana ne kawai a farkon zamanin Cretaceous, kimanin shekaru miliyan ɗari bayan da triopticus ya ɓace.
Koyaya, kamanceceniya tsakanin kada "mai ido uku" da pachycephalosaurus ba'a iyakance ga bayyanar su ta waje ba. A lokacin da aka hada hoton hoton dan-adam da lamarin, yana haskaka kokon kan Triopticus primus, sai aka gano cewa kasusuwanta suna da tsari iri daya da na dinosaur din, kuma kwakwalwa, mai yuwuwa, ba wai kawai tana da girma iri daya ba ne, amma kuma tana da irinta. Abin da wannan dabbar ta ci da kuma irin girman da take da shi, masana binciken burbushin halittu ba su tabbatar da abin da za a iya yarda da shi ba, tunda muƙamulan “ido uku” da sauran sassan jikinsa sun ɓace. Koyaya, koda abin da yake akwai yana nuna cewa juyin halitta bashi da wani banbanci kuma yakan juyar da halittu mabambanta ta hanya guda, sakamakon wasu dabbobin, da suke da asali daban-daban, wani lokacin sukan sami kusan kamanni iri daya da tsarin jikin mutum.