Eocathayornis
Eocathayornis wuxuu ahaa shimbir yar oo hore oo noolaa intii lagu jiray Xilligii Dinosaur-ka. Waxay awood u lahayd inay si xoog leh u garaacdo baalasheeda oo ay u duusho sida shimbirta casriga ah, laakiin weli waxay lahayd ilko iyo cidiyo baalasheeda.2
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Xaqiiqooyin xiiso leh
Eocathayornis waxay lahayd cidi yaraatay oo ku taal farta saddexaad ee baalkeeda, laakiin labadii cidi ee kale ee baalka ayaa weli jiray.2
Lafta gacanteeda (radius) waxay ahayd saddex-meelood meel ballaca lafta cududdeeda (ulna), taas oo ka caawisay in baalkeedu uu xoog u yeesho duulista.2
Lafta xabadka (sternum) waxay lahayd laf dheer oo soo taagan iyo laba qaybood oo gadaal u jeeda, kuwaas oo ahaa waxyaabo u sahlaya duulista.2
Eocathayornis waxay lahayd cabbir la mid ah Cathayornis, oo ahayd shimbir kale oo hore oo laga helay isla goobta fosillada.2
Waxay noolayd qiyaastii 120 milyan oo sano ka hor, xilligii Early Cretaceous.1
Fosillka kaliya ee la yaqaan waa madax iyo qaybta sare ee jirka oo ku kaydsan dhagax, waxaana loo qaybiyay laba qaybood.1
Weydii Rex wax ku saabsan Eocathayornis
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Khubarada dino
- Magaca sayniska
- Eocathayornis
- Waxaa magacaabay
- Zhou 20023
- Koox
- Shimbiraha hore (xilligii dinos-ka)
- Qoyska / kooxda
- Enantiornithes3
- Kala soocidda
- Theropoda > Avialae3
- Xilligii dhagaxyada
- 121 ilaa 113 milyan oo sano (Aptian)3
- Dhagaxyada
- Jiufotang3
- Waddamada
- China3
- Diiwaanka fossil-ka
- 1 oo ku jira Paleobiology Database3
- Daahfurka
- Fosillkan waxaa 1994-tii soo helay Zhou Zhonghe oo ka yimid Jiufotang Formation oo ku taal Liaoning, Shiinaha. Zhou wuxuu u bixiyay Eocathayornis walkeri sanadkii 2002, isagoo ku sharfaya Cyril Alexander Walker shaqadiisa ku saabsan Enantiornithes.12
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu si dhab ah uma hubo sida Eocathayornis ula xiriirto shimbiraha kale ee hore, laakiin waxaa loo malaynayaa inay ka duugsanayd Cathayornis.1
Halka xaqiiqadu ka timaaddo
- Eocathayornis (en.wikipedia.org)
- A new and primitive enantiornithine bird from the Early Cretaceous of China (ivpp.cas.cn)
- Eocathayornis in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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Archaeopteryx
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Ichthyornis
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Jurapteryx
Gobipteryx
Stegosaurus
Iguanodon
Giganotosaurus
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Deinonychus
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