Xiangornis

Sunan yana nufin: “tsuntsun tashi kyauta”1

Ya ci: NamaTsuntsayen farkoFarkon Cretaceous

Xiangornis wani tsohon tsuntsu ne da ya rayu kimanin shekaru miliyan 120 da suka wuce. Yana da haɗin siffofi daga manyan rukunoni biyu na tsuntsayen farko, wanda hakan ya sa ya zama halitta mai ban mamaki da ban sha'awa. Ƙasusuwan fukafukansa sun riga sun manne wuri ɗaya kamar na tsuntsayen zamani, wanda hakan ya taimaka masa wajen tashi da ƙarfi sosai.1 2

Ya rayu

shekaru miliyan 121 zuwa 113 da suka wuce4

Farkon Cretaceous

Burbushin halittu da aka samo a

Lardin Liaoning, China1 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)

Xiangornis 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

Xiangornis tana cikin ƙungiyar da ake kira Enantiornithes, waɗanda su ne tsuntsayen da suka fi yawa a zamanin Cretaceous.3 1

Ƙasusuwan fikafikanta (carpometacarpus) sun haɗe gaba ɗaya, kusa da jiki da kuma nesa da shi, kamar yadda yake a tsuntsayen zamani.1 2

Xiangornis tana da babban ɓangaren extensor a fiffikenta, wani kumburi na ƙashi wanda ya taimaka wajen haɗa tsokoki da jijiyoyi don tashi da ƙarfi.1 2

Wannan tsuntsuwa tana nuna cewa wasu halaye da ake tunanin na tsuntsayen zamani ne kawai, sun samo asali tun da wuri kuma daban a cikin enantiornithines.1 2

Sunan Xiangornis ya fito ne daga kalmomin Mandarin da ke nufin 'tashi kyauta' da kuma kalmar Helenanci ta tsuntsu.1 2

Xiangornis ya rayu a lokacin Aptian, kimanin shekaru miliyan 121 zuwa 113 da suka wuce, a inda a yanzu ake kira Liaoning, China.3

Hoton Xiangornis da aka yi da AI — Hoton yadda Xiangornis 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: Xiangornis
Wanda ya ba da suna: Hu et al. 20124
Rukuni: Tsuntsayen farko
Iyali / rukuni: Enantiornithes4
Rarrabewa: Theropoda > Avialae4
Zamanin duwatsu: shekaru miliyan 121 zuwa 113 (Aptian)4
Tsarin duwatsu: Jiufotang4
Kasashe: China4
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology4
Gano: Hu da abokan aikinsa ne suka ba Xiangornis suna a shekarar 2012 bisa ga wani ɓangaren ƙashi da aka gano a Jiufotang Formation na Liaoning, China. Burbushin ya haɗa da ƙasusuwan fiffike da kafaɗa.3 1
Har yanzu ana muhawara: Masana kimiyya har yanzu suna muhawara kan ko Xiangornis tabbas tana cikin enantiornithine ko kuma tana tsakiyar enantiornithines da ornithuromorphs (ƙungiyar da ta haɗa da tsuntsayen zamani).1 2

Inda bayanan suka fito

A new enantiornithine bird from the Lower Cretaceous of Western Liaoning, China, and its implications for early avian evolution (tandfonline.com)
A new enantiornithine bird from the Lower Cretaceous of Western Liaoning, China, and its implications for early avian evolution (ivpp.cas.cn)
PBDB Taxon (paleobiodb.org)
Xiangornis in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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