Jiuquanornis
Jiuquanornis wuxuu ahaa dinosaur yar oo shimbir u eg oo noolaa qiyaastii 120 milyan oo sano ka hor. Wuxuu lahaa laf laabta oo u qaabaysan U iyo laf sternum ah oo u ekaa kuwa shimbiraha dhulka ku nool ee casriga ah. Saynisyahannadu waxay u maleynayaan inuu ahaa mid si dhakhso ah u orda oo cuna hilib.12
Goorma ayuu noolaa?
Intee in le'eg ayuu u dheereeyay?
Xaqiiqooyin xiiso leh
Jiuquanornis waxaa laga yaqaanaa hal lafo oo markii ugu horreysay la sharraxay sannadkii 2013. Lafahaas waxaa ku jira qaybo ka mid ah lafta xabadka, lafta qoorta (furcula), iyo lafaha gacanta.1
Lafta xabadkiisu waxay lahayd qaybo dhaadheer oo dhuuban oo loo yaqaan trabeculae, kuwaas oo sidoo kale laga arko shimbiraha casriga ah ee dhulka ku nool sida digaagga iyo tinamous.1
Jiuquanornis wuxuu lahaa lafta qoorta (furcula) oo u samaysan sida xarafka U, iyadoo xagasha ay tahay qiyaastii 36 digrii, wuxuuna la'aa hypocleidium, oo ah qayb yar oo laga helo shimbiraha qaarkood.1
Saynisyahannadu waxay u malaynayaan in Jiuquanornis uu ahaa ornithuromorph aasaasi ah, taas oo macnaheedu yahay inuu ahaa qaraabo hore oo shimbiraha casriga ah laakiin uusan ahayn awoowe toos ah.1
Lafaha Jiuquanornis waxaa laga helay Xiagou Formation, oo qiyaastii 121 ilaa 113 milyan oo sano jir ah, laga soo bilaabo xilligii Early Cretaceous.21
Jiuquanornis waxaa loogu magac daray magaalada Jiuquan, oo u dhow goobta laga helay lafaha. Magaca nooca niui wuxuu sharfayaa Professor Shao-Wu Niu shaqadiisa cilmiga dhulka.1
Lafaha Jiuquanornis waxaa markii hore loo maleeyay inay yihiin kuwo aan dhammaystirnayn oo aan magac la siin karin, laakiin saynisyahannadu waxay markii dambe go'aansadeen inuu ku filan yahay inuu noqdo nooc cusub oo shimbir ah.1
Khubarada dino
- Magaca sayniska
- Jiuquanornis
- Waxaa magacaabay
- Wang et al. 20132
- Koox
- Shimbiraha hore (xilligii dinos-ka)
- Qoyska / kooxda
- Ornithuromorpha2
- Kala soocidda
- Theropoda > Avialae2
- Xilligii dhagaxyada
- 121 ilaa 113 milyan oo sano (Aptian)2
- Dhagaxyada
- Xiagou2
- Waddamada
- China2
- Diiwaanka fossil-ka
- 1 oo ku jira Paleobiology Database2
- Daahfurka
- Jiuquanornis waxaa magacaabay 2013 Wang iyo asxaabtiisa. Fossillka, muunadda GSGM-05-CM-021, waxaa laga helay Xiagou Formation meel u dhow Changma ee Gobolka Gansu, Shiinaha. Waxaa markii hore lagu sharraxay shimbir aan magac lahayn 2005, laakiin markii dambe loo aqoonsaday nooc cusub.12
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu ma hubo in Jiuquanornis uu ku noolaa dhulka iyo inuu biyaha ku noolaa, sababtoo ah lafihiisa oo aan dhammaystirnayn ayaa adkeynaya in la ogaado. Qaabka lafta xabadka ayaa tilmaamaya inuu ahaa mid si degdeg ah u orda, laakiin waxaa loo baahan yahay lafo kale oo dheeraad ah.1
Halka xaqiiqadu ka timaaddo
- Previously Unrecognized Ornithuromorph Bird Diversity in the Early Cretaceous Changma Basin, Gansu Province, Northwestern China (journals.plos.org)
- Jiuquanornis in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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