Allkaruen
Allkaruen wata ƙaramar dabba ce mai tashi da ta rayu kimanin shekaru miliyan 180 zuwa 168 da suka wuce. Tana da kwanyar kai da aka adana sosai, wanda ke taimaka wa masana kimiyya fahimtar yadda ƙwaƙwalwar pterosaur ta canza.31
Yaushe ya rayu?
Yaya saurin sa yake?
Gaskiya mai ban sha'awa
Sunan Allkaruen ya fito ne daga kalmomin Tehuelche 'all' ma'ana kwakwalwa da 'karuen' ma'ana tsoho, don haka yana nufin 'tsohuwar kwakwalwa'.1
An gano kwanyarsa ba tare da ta murƙushe ba, wanda ba kasafai ba ne ga pterosaurs, kuma masana kimiyya sun yi amfani da CT scans don yin samfurin kwakwalwarsa.1
Allkaruen yana da cakuda tsoffin da sabbin sifofin kwakwalwa, wanda ke taimakawa cike gibin da ke tsakanin pterosaurs na farko da pterodactyloids na baya.1
An gano burbushin halittun a cikin ajiyar tafki, kuma sunan nau'in 'koi' yana nufin tafki a cikin Tehuelche.1
Allkaruen ya rayu a lokacin Early zuwa Middle Jurassic, kimanin shekaru miliyan 180 zuwa 168 da suka wuce.3
Ƙananan muƙamuƙinsa yana da tsayi tare da bayanin martaba mai lankwasa, kuma yana da manyan haƙora daban-daban a gaba.1
Tambayoyin da aka fi yi game da Allkaruen
?Shin Allkaruen dinosaur ne?
A'a, Allkaruen pterosaur ne, dabba mai tashi wanda ya rayu a lokaci guda da dinosaurs amma ba dinosaur ba ne.2
?Yaya girman Allkaruen?
Allkaruen ƙaramin pterosaur ne. Ba a san ainihin girmansa ba, amma kwanyarsa 'yan santimita kaɗan ne kawai.2
?Me Allkaruen yake ci?
Masana ba su da tabbas ba, amma doguwar ƙashin muƙamuƙinsa na ƙasa mai manyan haƙoran gaba yana nuna cewa yana iya kama kifi ko wasu ƙananan namun daji.2
?A ina Allkaruen ya rayu?
Allkaruen ya rayu a inda yanzu ake kira Argentina, kusa da wani tafki. An gano burbushin halittarsa a cikin Cañadón Asfalto Formation a lardin Chubut.2
Don ƙwararrun dino
- Sunan kimiyya
- Allkaruen
- Wanda ya ba da suna
- Codorniú et al. 20163
- Rukuni
- Dabbobi masu rarrafe masu tashi
- Iyali / rukuni
- Breviquartossa3
- Rarrabewa
- Pterosauria3
- Zamanin duwatsu
- shekaru miliyan 180 zuwa 169 (Toarcian / Bajocian)3
- Tsarin duwatsu
- Cañadón Asfalto3
- Kasashe
- Argentina3
- Rubutun burbushin halittu
- 1 a cikin Bayanan Paleobiology3
- Gano
- Codorniú da abokansa ne suka ba Allkaruen suna a shekarar 2016, bisa ga burbushin halittun da aka gano a Argentina. Babban samfurin ya haɗa da kwanya, ƙananan muƙamuƙi, da ƙasusuwan wuya.31
- Har yanzu ana muhawara
- Masana kimiyya har yanzu suna tattaunawa kan yadda Allkaruen yake da alaƙa da sauran pterosaurs, saboda wasu sifofinsa suna kama da na farko da na ƙungiyoyin baya.1
Inda bayanan suka fito
- A Jurassic pterosaur from Patagonia and the origin of the pterodactyloid neurocranium (pmc.ncbi.nlm.nih.gov)
- Allkaruen (en.wikipedia.org)
- Allkaruen in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.
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Pteranodon
Quetzalcoatlus
Dorygnathus
Rhamphorhynchus
Anhanguera
Pterodactylus
Ichthyosaurus
Khudiakovia
Ophthalmosaurus
Peloneustes
Gongbusaurus
Shunosaurus