Yatenavis

Sunan yana nufin: “tsuntsun dutse”1

Ya ci: NamaTsuntsayen farkoƘarshen Cretaceous

Yatenavis ƙaramin tsuntsu ne wanda ya rayu kusa da ƙarshen zamanin dinosaur. Yana da girman tsuntsun sparrow kuma yana tashi a cikin dazuzzukan yankin da yanzu ake kira Patagonia a Argentina. Wannan ƙaramin tsuntsu yana ɗaya daga cikin tsuntsayen enantiornithine da aka taɓa samu a mafi nisan kudu.2 1

Ya rayu

shekaru miliyan 72 zuwa 66 da suka wuce3

Ƙarshen Cretaceous

Burbushin halittu da aka samo a

Estancia La Anita, Lardin Santa Cruz, Patagonia, Argentina2 1

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)

Yatenavis 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

An san Yatenavis ne kawai ta hanyar ƙashi guda ɗaya: rabin ƙasan ƙashin fiffike na dama (humerus).2 1

Ya rayu kimanin shekaru miliyan 72 zuwa 66 da suka wuce, a matakin Maastrichtian na Late Cretaceous.3

Yatenavis shi ne tsuntsun enantiornithine na farko da aka taɓa gano a mafi nisan kudu a duniya.2 1

Yana ɗaya daga cikin ƙananan tsuntsayen enantiornithine daga ƙarshen zamanin Cretaceous na Kudancin Amurka, yana da girman tsuntsun sparrow.2 1

Sunansa ya fito ne daga kalmar Aoni Kenk don 'dutse' da kuma kalmar Latin don 'tsuntsu', wanda ke nufin 'tsuntsun dutse'.1

Yatenavis ya rayu tare da wasu tsuntsaye, ciki har da wani babban tsuntsun enantiornithine da kuma tsuntsun da ake kira Kookne yeutensis.1

An gano burbushin a cikin Chorrillo Formation, wanda ya samo asali daga tsarin kogi a cikin wani yanayi mai sanyi da ke nesa da ma'aunin zafi na duniya.2 1

Hoton Yatenavis da aka yi da AI — Hoton yadda Yatenavis 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: Yatenavis
Wanda ya ba da suna: Álvarez Herrera et al. 20233
Rukuni: Tsuntsayen farko
Iyali / rukuni: Enantiornithes3
Rarrabewa: Theropoda > Avialae3
Zamanin duwatsu: shekaru miliyan 72 zuwa 66 (Maastrichtian)3
Tsarin duwatsu: Chorrillo3
Kasashe: Argentina3
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology3
Gano: Ƙungiyar masana kimiyya daga Argentina da Japan, ciki har da Gerardo Álvarez Herrera da Federico Agnolín, ne suka ba Yatenavis suna kuma suka bayyana shi a shekarar 2023. An gano guda ɗaya na ƙashin burbushin halittar ne a lokacin wani bincike a watan Maris na 2022 a Estancia La Anita da ke Patagonia, Argentina.2 1
Har yanzu ana muhawara: Masana kimiyya ba su da tabbas kan yadda ainihi Yatenavis yake ko yadda yake rayuwa, saboda ƙashi ɗaya ne kawai na fiffike aka samu.2 1

Inda bayanan suka fito

New enantiornithine bird from the the uppermost Cretaceous (Maastrichtian) of southern Patagonia, Argentina (ri.conicet.gov.ar)
New enantiornithine bird from the uppermost Cretaceous (Maastrichtian) of southern Patagonia, Argentina (sciencedirect.com)
Yatenavis in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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