Yuanjiawaornis
Yuanjiawaornis wuxuu ahaa shimbir weyn oo xoog badan oo noolaa qiyaastii 120 milyan oo sano ka hor meesha hadda loo yaqaan Shiinaha. Waxay ahayd mid ka mid ah shimbiraha ugu waaweyn xilligeeda, iyadoo baalasheedu ay gaarayeen ku dhawaad nus mitir. Waxay u badan tahay inay ugaarsan jirtay xayawaan yar yar si ay u cunto.12
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Xaqiiqooyin xiiso leh
Yuanjiawaornis waxaa lagu yaqaanaa lafo ku dhawaad dhammaystiran oo aan lahayn madax, taas oo uu helay cilmi-baare sannadkii 2005 meel u dhow tuulada Yuanjiawa.1
Inta badan shimbiraha enantiornithine waxay ahaayeen kuwo yaryar sida shimbiraha yaryar ama starlings, laakiin Yuanjiawaornis waxay ahayd mid aad uga weyn, qiyaastii cabbirka Zhouornis.12
Fosilkii Yuanjiawaornis ma laha baalal la keydiyay, taas oo aan caadi ahayn shimbiraha fosilka ah ee ka yimid Liaoning.1
Yuanjiawaornis wuxuu noolaa xilligii horraantii Cretaceous, qiyaastii 120 milyan oo sano ka hor, ee Jiufotang Formation.13
Muunadda holotype waxay u badan tahay inay ahayd qof weyn oo da'yar, sababtoo ah lafaha curcurka si buuxda uma wada xirmin.2
Yuanjiawaornis waxay lahayd synsacrum (qayb ka mid ah laf-dhabarta oo isku xiran) oo qaab gaar ah u samaysan oo laga yaabo inay u gaar tahay shimbiraha enantiornithine.2
Khubarada dino
- Magaca sayniska
- Yuanjiawaornis
- Waxaa magacaabay
- Hu et al. 20154
- Koox
- Shimbiraha hore (xilligii dinos-ka)
- Qoyska / kooxda
- Enantiornithes4
- Kala soocidda
- Theropoda > Avialae4
- Xilligii dhagaxyada
- 121 ilaa 113 milyan oo sano (Aptian)4
- Dhagaxyada
- Jiufotang4
- Waddamada
- China4
- Diiwaanka fossil-ka
- 1 oo ku jira Paleobiology Database4
- Daahfurka
- Yuanjiawaornis waxaa magacaabay 2015 Hu Dongyu iyo asxaabtiisa iyadoo lagu saleynayo lafo la helay 2005 meel u dhow tuulada Yuanjiawa ee Liaoning, Shiinaha.12
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu si dhab ah uma hubaan sida Yuanjiawaornis ay ula xiriirto shimbiraha kale ee enantiornithine, sababtoo ah madaxeeda ayaa maqan.1
Halka xaqiiqadu ka timaaddo
- Yuanjiawaornis (en.wikipedia.org)
- Yuanjiawaornis viriosus , gen. et sp. nov., a large enantiornithine bird from the Lower Cretaceous of western Liaoning, China (sciencedirect.com)
- PBDB Taxon (paleobiodb.org)
- Yuanjiawaornis in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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