Katin Dino No. 1124 na 2 027

Makhaira

Sunan yana nufin: “wuka mai lanƙwasa, daga tsohon yaren Girkanci”1

Ya ci: NamaPlesiosaursFarkon CretaceousBa dinosaur ba ne a zahiri

Makhaira dabba ce mai ban tsoro da ke rayuwa a cikin ruwa wadda ta yi iyo a tsoffin tekunan Rasha kimanin shekaru 130 miliyan da suka wuce. Tana da haƙora na musamman waɗanda suke da siffar wuka kuma suna da ƙananan gefuna masu kaifi kamar cizo, waɗanda suka dace da yanka abin farauta mai girma.1 2

Gaskiya mai ban sha'awa: wannan dabbar ruwa mai rarrafe tana iyo yayin da dinosaur suke tafiya a ƙasa. Kowa yana kiran su dino, amma reshe ne daban na dabbobi masu rarrafe.

Ya rayu

shekaru miliyan 133 zuwa 126 da suka wuce3

Farkon Cretaceous

Burbushin halittu da aka samo a

Ulyanovsk Oblast, Rasha, tare da gabar kogin Volga1

Tsawo

4 zuwa 6 m (13 zuwa 20 ft)1

an kiyasta bisa ga dangin pliosaurids

Mafi girman gudu

kusan 27 km/h (17 mph)

Iyo, ƙiyasi

Yaushe ya rayu?

Triassic

Jurassic

Cretaceous

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

Yaya girman sa yake?

Yaya tsawon sa yake?

tsawon karnuka 6 daga hanci zuwa wutsiyatsawon ayaba 33 a jerezai iya yin iyo tsawon babban wurin wanka (50 m) cikin daƙiƙa 6.7

Yaya girman Makhaira idan aka kwatanta da KAI?

Lissafi kawai a cikin burauzarka. Babu abin da ake adanawa ko aikawa ko'ina.

Yaya saurin sa yake?

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

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

Makhaira 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

Haƙoran Makhaira suna da gefuna masu kaifi tare da ƙananan ƙumburi waɗanda suka fi tsayi fiye da faɗi, wanda hakan ya sa su yi kama da wukar cizo.1

An tsara ramukan haƙoranta biyu-biyu, wanda hakan ba kasafai ake gani ba ga pliosaurids.1

Makhaira ita ce mafi daɗewa da aka sani a cikin rukunin brachauchenine na pliosaurids daga zamanin Cretaceous.1

Haƙoran Makhaira suna kama da na metriorhynchid crocodylomorphs, waɗanda suke tsoffin dabbobi masu kama da kada.2

Makhaira ta rayu kimanin shekaru 130 miliyan da suka wuce a lokacin Hauterivian na farkon zamanin Cretaceous.2 3

An gano ɓangaren ƙasusuwa na Makhaira ne kawai, ciki har da sassan kwanyar kai, haƙora, kashin baya, da ƙasusuwan kwatangwalo.1

Hoton Makhaira da aka yi da AI — Hoton yadda Makhaira 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: Makhaira
Wanda ya ba da suna: Fischer et al. 20153
Rukuni: Plesiosaurs
Iyali / rukuni: Pliosauridae3
Rarrabewa: Plesiosauria > Pliosauridae > Sauropterygia3
Zamanin duwatsu: shekaru miliyan 133 zuwa 126 (Hauterivian)3
Kasashe: Russia3
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology3
Gano: An ba wa Makhaira suna a shekarar 2015 ta hannun ƙungiyar masana kimiyya da suka haɗa da V. Fischer, bisa ga wani ɓangaren ƙasusuwa da aka gano a cikin duwatsu a gefen kogin Volga a Rasha.3 1
Har yanzu ana muhawara: Masana kimiyya har yanzu suna muhawara kan ko haƙoran Makhaira masu kaifi suna nufin tana kama da pliosaurids na zamanin Jurassic ko kuma wani nau'in brachauchenine ne na musamman.1

Inda bayanan suka fito

Peculiar macrophagous adaptations in a new Cretaceous pliosaurid (pmc.ncbi.nlm.nih.gov)
Makhaira rossica (en.wikipedia.org)
Makhaira 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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