Evgenavis

Sunan yana nufin: “Tsuntsun Evgeny, an sa masa suna ne don girmama masanin ilimin halittu na ƙasar Rasha, Evgeny Kurochkin.”1

Ya ci: NamaTsuntsayen farkoFarkon Cretaceous

Evgenavis ƙaramin dinosaur ne mai kama da tsuntsu wanda ya rayu a farkon zamanin Cretaceous. Yana da ƙafafu masu ƙarfi da farata masu kaifi, kuma wataƙila yana farautar abinci a ƙasa.3 2

Ya rayu

shekaru miliyan 126 zuwa 113 da suka wuce3

Farkon Cretaceous

Burbushin halittu da aka samo a

Wurin Shestakovo-3, Ilek Formation, yammacin Siberia, Rasha3 2

Mafi girman gudu

kusan 27 km/h (17 mph)

Tashi sama, ƙiyasi

Yaushe ya rayu?

Triassic

Jurassic

Cretaceous

Shekaru miliyan 252 da suka wuce20114566, dutsen sararin samaniya (asteroid)

Yaya saurin sa yake?

Mutum yana tafiya kusan 5 km/h (3 mph)

Yaro a kan keke kusan 12 km/h (7 mph)

Evgenavis kusan 27 km/h (17 mph)

Doki mai gudu kusan 65 km/h (40 mph)

Damisa kusan 100 km/h (62 mph)

abubuwa masu ban sha'awa

Gaskiya mai ban sha'awa

Evgenavis an san shi ne kawai ta hanyar ƙashi ɗaya, wato tarsometatarsus (ƙashin ƙafa).1 2

Masana kimiyya ba su da tabbas kan wane rukuni Evgenavis yake. Wataƙila yana cikin confuciusornithiform (kamar tsuntsun Confuciusornis mai baki) ko kuma enantiornithine (wani rukuni daban na tsuntsayen da suka daɗe).1 2

An gano ƙashin Evgenavis a shekarar 2007 ta hannun ƙungiyar bincike ta haɗin gwiwa daga Cibiyar Nazarin Dabbobi, Jami'ar Tomsk, da Jami'ar Saint Petersburg.2

Evgenavis ta rayu a lokacin Early Cretaceous, kimanin shekaru miliyan 125 zuwa 113 da suka wuce.3

Sunan Evgenavis yana girmama Evgeny Kurochkin, wani shahararren masanin ilimin halittu na Rasha wanda ya yi nazarin tsuntsayen da suka daɗe.1

Hoton Evgenavis da aka yi da AI — Hoton yadda Evgenavis zai iya kasancewa wanda aka yi da AI, kwamfuta ce ta yi shi daga abin da masana kimiyya suka sani. Hasashe ne: ainihin dabbar za ta iya zama daban, kuma babu wanda ya san ainihin launukanta.

Don ƙwararrun dino

Sunan kimiyya: Evgenavis
Wanda ya ba da suna: O'Connor et al. 20143
Rukuni: Tsuntsayen farko
Iyali / rukuni: Enantiornithes3
Rarrabewa: Theropoda > Avialae3
Zamanin duwatsu: shekaru miliyan 126 zuwa 113 (Barremian / Aptian)3
Tsarin duwatsu: Ilek3
Kasashe: Russia3
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology3
Gano: An sa wa Evgenavis suna a shekarar 2014 ta hannun Jingmai O'Connor, Alexander Averianov, da Nikita Zelenkov. Guntun ƙashin ƙafa ɗaya ne kawai aka samu a wurin Shestakovo-3 da ke yammacin Siberia.3 2
Har yanzu ana muhawara: Masana kimiyya har yanzu suna ta muhawara kan ko Evgenavis tsuntsu ne na nau'in confuciusornithiform ko kuma enantiornithine. Ana buƙatar ƙarin ƙasusuwa don tabbatarwa.1 2

Inda bayanan suka fito

Evgenavis (en.wikipedia.org)
A confuciusornithiform (Aves, Pygostylia)-like tarsometatarsus from the Early Cretaceous of Siberia and a discussion of the evolution of avian hind limb musculature (tandfonline.com)
Evgenavis in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

Kowane bayani a wannan shafin yana da lamba da ke nuna tushensa. Idan mun yi kuskure, yi haƙuri, mu masoyan dino ne, ba mujallar kimiyya ba. Faɗa mana a [email protected] kuma za mu gyara shi.

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