Cerebavis
Cerebavis tsuntsu ne da ya rayu kimanin shekaru miliyan 95 da suka wuce, a lokacin da dinosaur suke rayuwa. Yana da kwakwalwa da take kama da ta zamani, kusan kamar kwakwalwar tsuntsayen da kake gani a yau. An gano kwanon kansa a kasar Rasha kuma masana kimiyya sun yi amfani da na'urorin daukar hoto na musamman don nazarin siffar kwakwalwarsa.2
Yaushe ya rayu?
Yaya saurin sa yake?
Gaskiya mai ban sha'awa
An san Cerebavis ne kawai ta hanyar wani bangare na kwanon kai, wanda aka fara tunanin cewa burbushin kwakwalwa ne.1
Masana kimiyya yanzu sun san cewa samfurin kwanon kai ne, ba kwakwalwa ba, kuma sun yi amfani da CT scan don ganin siffar kwakwalwar a ciki.2
Cerebavis ba shi da ramukan temporal fenestrae, wadanda suke zama ramuka a kwanon kai a bayan idanu. Wannan siffa ce ta tsuntsayen ornithurine, ba enantiornithines ba.2
Kwakwalwar Cerebavis ta fi kama da ta tsuntsun zamani fiye da ta Archaeopteryx, wani tsuntsu na farko.2
Cerebavis ba shi da wulst, wani bangare na musamman na kwakwalwa da ke taimaka wa tsuntsayen zamani wajen gani da taba abu. Wannan siffar ba ta riga ta bayyana ba shekaru miliyan 93 da suka wuce.2
Kashin kwanon kan Cerebavis sun hade sosai, wanda alama ce ta dacewa da tashi, kamar tsuntsayen zamani masu tashi.2
Mai karyata tatsuniya
Tatsuniya: Cerebavis dinosaur ne mai kwakwalwa da take da ban mamaki kuma daban da ta kowace dabba.
Gaskiya: Masana kimiyya sun fara tunanin cewa kwakwalwar tana da ban mamaki, amma sabbin na'urorin CT scan sun nuna cewa a zahiri tana kama da kwakwalwar tsuntsayen zamani.2
Don ƙwararrun dino
- Sunan kimiyya
- Cerebavis
- Wanda ya ba da suna
- Kurochkin and Saveliev 20063
- Rukuni
- Tsuntsayen farko
- Iyali / rukuni
- Ornithurae3
- Rarrabewa
- Theropoda > Avialae3
- Zamanin duwatsu
- shekaru miliyan 100 zuwa 94 (Cenomanian)3
- Tsarin duwatsu
- Melovatka3
- Kasashe
- Russia3
- Rubutun burbushin halittu
- 1 a cikin Bayanan Paleobiology3
- Gano
- An gano burbushin Cerebavis guda daya tilo a shekarar 1993 a Melovatskaya Formation a kasar Rasha. Evgeny Kurochkin da abokan aikinsa ne suka ba shi sunan Cerebavis cenomanica a shekarar 2006.12
- Har yanzu ana muhawara
- Masana kimiyya ba su da tabbas kan girman Cerebavis ba saboda kwanon kai kawai aka gano, babu sauran sassan jikinsa.2
Inda bayanan suka fito
- Cerebavis (en.wikipedia.org)
- A reappraisal of Cerebavis cenomanica (Aves, Ornithurae), from Melovatka, Russia (pmc.ncbi.nlm.nih.gov)
- Cerebavis in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.
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Archaeopteryx
Hesperornis
Ichthyornis
Baptornis
Jurapteryx
Gobipteryx
Tyrannosaurus
Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Parasaurolophus