Okpokoro isi nke nnụnụ na -echekwa nke ọma na amba site na nde afọ 99 gara aga, nke a chọtara na Burma, bụ dinosaur kacha nta mara ruo taa.
Nlereanya, a na -akpọ "Oculudentavis nke ukwuu", Tọrọ atọ n'ime mpempe amber nke edere n'etiti oge Mesozoic. Nke a pụtara n'etiti nde afọ 251 gara aga na nde afọ 65 gara aga. Lida Xing nke Mahadum Geosciences nke China buru ụzọ nyochaa mpempe amber a na mbido 2020.
Okpokoro isi nke dinosaur a bụ naanị milimita asaa
Nke a bụ nha nke yiri nke ahụ zunzuncito, nke bụ ụdị nnụnụ hummingbird kacha nta. Ya mere, ọ ga -eme ya dinosaur nke kacha mara amara, ka akwụkwọ akụkọ ahụ siri kwuo Nature.
“Dị ka anụmanụ niile tọrọ n'ime amba, a na -echekwa ya nke ọma. Anyị nwere echiche na ọ nwụrụ ụnyaahụ, na -echekwa anụ ahụ ya niile dị nro na obere windo oge ochie a, ” kwuru onye ndu ọmụmụ ihe a, Jingmai O'Connor. Ọ bụ akụkụ nke Institute of Vertebrate Paleontology and Paleontropology na Beijing.
Nnukwu oghere na -achịkwa okpokoro isi na profaịlụ, na -atụ aro na enwere anya na -ele anya n'akụkụ, yiri nke ngwere. Site n'enyemaka nke nyocha, ndị nyocha ahụ kpughere agba agba nwere otu narị ezé nwere mkpịsị aka n'ime onu okuko.
Ọ bụ obere anụ
“Ọ dịghị ka ụdị ọ bụla dị ndụ taa, yabụ anyị ga -echerịrị echiche ka anyị ghọta ihe ihe ọmụmụ ya pụtara. Agbanyeghị, okpokoro isi ya, ọtụtụ ezé na anya buru ibu na -egosi na n'agbanyeghị oke ya ọ nwere ike bụrụ anụ na -eri ụmụ ahụhụ. ” dị ka paleontologist si kwuo.
Akwụkwọ ndụ ahụ na dinosaurs ogologo olu na nnukwu anụ na-efe efe dị ka pterosaurs, n'oge anụ ọhịa bara ụba.
Ọ bụ akụkụ nke microfauna nke naanị amba nwere ike chekwaa. Enweghị resin fosil a, "Anyị agaghị ama ihe ọ bụla gbasara obere ihe ndị a, nke siri ike ịchọta karịa nke ukwu," ka ọkà mmụta sayensị a kwuru.
Mgbe anyị na -eche maka dinosaurs, anyị na -eche nnukwu ọkpụkpụ mana ugbu a, a na -agbanwe paleontology kpamkpam n'ihi nchọpụta nke fosils echekwara n'ụzọ a. A ga -enwerịrị iberibe DNA echekwara n'ime, site na nke anyị nwere ike nweta ihe ọmụma dị oke ọnụ ahịa gbasara etu ụwa prehistoric si malite.
