Kwararrun masanan cikin gida suka samo kuma suka bayyana asalin dabbar ckin dinosaur dake zaune a yankin kasar Spain ta zamani. A cewar su, wadannan burbushin suna cikin ɗayan dinosaurs na ƙarshe na Turai - sun kirkiro kimanin shekaru miliyan 66 da suka gabata, a zahiri ranar ƙarshe na ƙarshe na Kattai Mesozoic da kuma farkon sabon zamanin Cenozoic.

A duk faɗin duniya akwai yankuna kaɗan na wannan zamanin, kuma dukkan su suna da mahimmancin ilimi. Bayan haka, yayin da muke kara sani game da rayuwar dinosaur kafin su lalata, da kyau zamu iya fahimtar dalilan da suka sa suka bace daga fuskar duniya, masana kimiyya suka ce.

Masanan binciken halittu a cikin Pyrenees sun samo kwafin biyu na fata na babban dinosaur - tsarin tsaunin da ya raba Spain daga Faransa. A nan, kusa da ƙauyen Vallcebre, duwatsu sukan zo zuwa saman ƙasa, an adana su miliyan 66 da suka gabata. Masu karantun burbushin halitta sun danganta su da samuwar Tremp kuma suka zana "C29r chron" tare dasu - iyaka tsakanin yanayin Cretaceous da Paleogene.

Kwafin Sikeli suna nuna halayyar hoto ta fatar sanannun dinosaurs, kuma wani abu ne kamar fure tare da tuddai na tsakiya a cikin hanyar polygon, wanda ke zagaye da biyar zuwa shida. Mita da rabi daga farkon, tsawon 20 cm, an samo hoton fatar fata na biyu, karami - santimita biyar kawai. Wataƙila, su biyun dabbobi ɗaya ne - halittar ƙasa mafi girma ta kowane lokaci, titanosaurus. Gaskiyar ita ce girman girman hillocks ya juya ya zama babban girma ga dinosaur mashin carnivorous ko hadrosaur.

"Mai yiwuwa burbushin mallakar babban sauro na gargajiya ne, watakila Titanosaurus, tunda mun samo sawun a kusa da dutsen dauke da kwayar burbushin halittun fata." - in ji mawallafin binciken, Victor Fondevilla (Victor Fondevilla) daga Jami'ar Automoous of Barcelona.

A cewarsa, burbushin fata na titanosaurus an kirkireshi kamar haka: dinosaur ya kwanta ya huta a cikin laka a bakin gabar kogin, sannan ya tashi ya tafi. Kuma alamuran jikinsa yayi kyau a cikin yashi da sauri ya cika da silt don daga baya ya tabbatar. Don haka, yashi ya zama kamar yumɓu, kuma murƙushewar da masanan burbushin halitta suka gano ba bugu bane, amma simintin ne daga ainihin fatar tsohuwar pangolin.

"Wannan shine asalin halittar dinosaur na wannan zamanin da aka samo a Turai, kuma yana daga ɗayan sabon kwanannan waɗanda suka rayu kusa da ƙarewar ɗumbin dinosaur, - in ji Fondeviglia. - 'Yan kadan ne irin wadannan kwafin fata ake sanin su, kuma duk wuraren da aka samo su suna a Amurka da Asiya. "An kuma samo fata mai dinosaurs a cikin Gabar Iberian, a Portugal da Asturias, amma dukansu sun kasance ne daga wani zamani na daban, wanda yai nesa da shi daga rugujewa."

Bayanan cin abinci na dinosaur na kudu maso yammacin Turai nan da nan gabanin Cretaceous-Paleogene halakar sun haɗu da irin waɗannan rukunin masu maye kamar titanosaurs, ankylosaurs, theropods, hadrosaurs da rhabdodontids, abin tunawa da masana ilimin burbushin halittu. Matsayin Iberian yana da ban sha'awa sosai daga yanayin ilimin kimiyya, saboda yana ba ku damar bincika abubuwan da ke haifar da lalata dinosaur a wani yanki mai nisa daga wurin tasirin meteorite.

Duk labarai "

Gano ya rage kimanin shekaru miliyan 130

A lokacin rakalin binciken burbushin halittu a lardin Soria na asalin lardin Castile y Leon, an samo ragowar brachiosaurus, jaridar El Pais ta rubuta.

A cewar ta, binciken ya kusan shekara miliyan 130 da haihuwa. Muna magana ne game da halittar Soriatitan golmayensis, wanda ya kai mita 14 a tsayi, in ji TASS. An gano gawawwakin a kusa da gundumar Golmayo.

“Har yanzu, an yi imanin cewa brachiosaurus a waccan zamanin ya riga ya lalace a Turai,” in ji masanin ilimin burbushin halittu Rafael Royo.

Wannan nau'in dinosaur ya rayu shekaru miliyan 150 da suka gabata a cikin yankin Afirka na zamani, Amurka da Turai. Kamar yadda masanin ya fada, brachiosaurus ya ciyar da ganyayyaki na conifers. Masana ilimin burbushin halitta sun mayar da ragowar haƙoran liyel, da kuma kashin bayan kashin cinya, cinya da na gaba da na baya.

Hannun brachiosaurus asalin halittar dinosaurs ne na herbivorous sauropod daga dangin, yana zaune a ƙarshen zamanin Jurassic. Lantarki tana da ƙaramin kai, wanda ke kan wuyansa mai mita takwas. Tsayinsa ya wuce mita 13. Na dogon lokaci, an dauki brachiosaurus a matsayin dinosaur mafi girma.

A Spain, masana binciken burbushin halittu sun gano ragowar dinosaur guda shida

Mujallar kimiyya ta Acta Palaeontologica Polonica ta ba da rahoton cewa masana ilimin burbushin halitta na kasar Spain sun sami nasarar gano burbushin dinosaur 142 a cikin Pyrenees. Masana sun ce hakoran suna da nau'i daban-daban na 6 na masu farauta, mai yiwuwa suna rayuwa ne a ƙarshen lokacin Mesozoic.

A cewar masana kimiyya, basu ma yi zargin cewa da yawa jinsunan dabbobi masu rarrafe sun rayu a kan iyakar Spain a zamanin da ba. Har zuwa wannan lokacin, an yi imani da cewa a cikin Pyrenees galibi suna zaune dinosaurs na dabbobi, ragowar magabatan kusan basu isa ga masana kimiyya ba.