Bravasaurus
Bravasaurus wuxuu ahaa dinosaur yar oo qoorta dheer oo dhirta cuna, kaas oo ku noolaa meesha hadda loo yaqaan Argentina. Wuxuu ahaa titanosaur, koox ka mid ah sauropods-ka waaweyn, laakiin Bravasaurus wuxuu ahaa mid ka mid ah kuwa ugu yar qoyskiisa. Wuxuu ku socday afar lugood oo adag wuxuuna caleemaha ku cuni jiray ilkahiisa u eg musmaarka.14
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Xaqiiqooyin xiiso leh
Bravasaurus waa mid ka mid ah titanosaurs-ka ugu yar ee abid la helo. Saynisyahannadu waxay u maleynayaan inuu miisaankiisu ahaa qiyaastii 3 tan, aad uga yar kuwa waaweyn sida Argentinosaurus.2
Magaciisu wuxuu ka yimid Laguna Brava, oo ah haro ku taal Argentina, halka 'arrierosorum' uu sharfayo dadkii ka gudbi jiray buuraha Andes iyagoo wata xoolo qarnigii 1800-aad.1
Fossils-ka Bravasaurus waxaa laga helay dhagaxyo u dhexeeya 83.6 ilaa 66 milyan oo sano, kuwaas oo ka soo jeeda xilligii Late Cretaceous.4
Meesha laga helay Bravasaurus, oo ah Quebrada de Santo Domingo, waa mid ka mid ah goobaha ugu waaweyn ee ukumaha dinosaur-ka lagu helo adduunka. Saynisyahannadu waxay halkaas ka heleen ukumo badan oo titanosaur ah.2
Bravasaurus wuxuu lahaa laf-dhabarta lugta hoose oo dhuuban, taas oo aan caadi ahayn marka loo eego sauropod-ka. Lafteeda fibula waxay ahayd mid aad u dhuuban marka loo eego dhererkeeda.2
Si ka duwan qaar ka mid ah titanosaur-rada yaryar ee ku noolaa jasiiradaha, Bravasaurus wuxuu ku noolaa gudaha dhulka, isagoo ka fog badda.2

Su'aalaha ugu badan ee ku saabsan Bravasaurus

Weydii Rex wax ku saabsan Bravasaurus
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Burinta khuraafaadka
Khuraafaad: Dhammaan sauropods-ku waxay ahaayeen kuwo aad u waaweyn, sida Argentinosaurus.
Runta: Dhammaan sauropods-ku ma ahayn kuwo waaweyn. Bravasaurus wuxuu ahaa titanosaur yar, wuxuuna miisaankiisu ahaa qiyaastii 3 tan, taas oo yar marka loo barbar dhigo qaraabadiisa waaweyn.2
Khubarada dino
- Magaca sayniska
- Bravasaurus
- Waxaa magacaabay
- Hechenleitner et al. 20204
- Koox
- Dinos-ka qoorta dheer
- Qoyska / kooxda
- Rinconsauria4
- Kala soocidda
- Sauropodomorpha > Sauropoda > Titanosauria > Macronaria4
- Xilligii dhagaxyada
- 84 ilaa 66 milyan oo sano (Campanian / Maastrichtian)4
- Dhagaxyada
- Ciénaga del Río Huaco4
- Waddamada
- Argentina4
- Diiwaanka fossil-ka
- 1 oo ku jira Paleobiology Database4
- Daahfurka
- Bravasaurus waxaa magacaabay Hechenleitner iyo asxaabtiisa sanadkii 2020. Waxay lafahiisa ka heleen Ciénaga del Río Huaco Formation ee La Rioja, Argentina.42
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu weli waxay ku doodayaan sida saxda ah ee Bravasaurus uu ula xiriiro titanosaurs-ka kale. Daraasado qaar ayaa soo jeedinaya inuu si dhow ula xiriiro noocyada ka yimid Patagonia iyo Brazil, laakiin geedka qoyska ee saxda ah si buuxda looguma heshiin.2
Halka xaqiiqadu ka timaaddo
- Two Late Cretaceous sauropods reveal titanosaurian dispersal across South America - PMC (pmc.ncbi.nlm.nih.gov)
- Two Late Cretaceous sauropods reveal titanosaurian dispersal across South America | Communications Biology (preview-www.nature.com)
- Bravasaurus (en.wikipedia.org)
- Bravasaurus in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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