Katin Dino No. 0462 na 2 027

Cryopterygius

Sunan yana nufin: “fiffike mai sanyi ko daskararre”1

Ya ci: NamaIchthyosaursƘarshen Jurassic zuwa Farkon CretaceousBa dinosaur ba ne a zahiri

Cryopterygius wani babban dabba ne mai kama da kifi wanda ke rayuwa a cikin tekuna masu sanyi kusa da Yankin Arewa a ƙarshen zamanin Jurassic. Ba dinosaur ba ne, ichthyosaur ne, kuma an tono ƙashin sa daga cikin ƙasa mai kankara.1

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 149 zuwa 143 da suka wuce4

Ƙarshen Jurassic zuwa Farkon Cretaceous

Burbushin halittu da aka samo a

Spitsbergen, Svalbard, Norway, da kuma a ƙasar Poland1 4

Tsawo

5 zuwa 5.5 m (16 zuwa 18 ft)2 3

Mafi girman gudu

kusan 45 km/h (28 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 31 a jerezai iya yin iyo tsawon babban wurin wanka (50 m) cikin daƙiƙa 4

Yaya girman Cryopterygius 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)

Cryopterygius kusan 45 km/h (28 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

Sunan Cryopterygius yana nufin 'fiffike mai sanyi' ko 'fiffike daskararre' saboda an gano shi a cikin ƙasa mai kankara a wani wuri mai sanyi sosai.1

Ƙashin jikinsa ya kusan cika kuma har yanzu suna haɗe da juna, wanda hakan ba kasafai yake faruwa ba ga ƙashin ichthyosaur.1

Cryopterygius yana da ƙashin baya guda 52 a gaban kwatangwalo, wanda hakan yawa ne sosai ga ichthyosaur.1

Ƙashin hannunsa na sama, wato humerus, yana da kumburi guda biyu kacal a ƙarshensa inda yake haɗuwa da sauran fiffiken.1

Ya rayu a lokacin Late Jurassic, kimanin shekaru miliyan 149 zuwa 143 da suka wuce, a cikin tekuna masu sanyi na yankin sandar duniya.4

Masana kimiyya sun gano cikakken kwatangwalo da ƙafa na hagu, wanda ya taimaka musu su fahimci yadda ichthyosaurs suke motsa fiffikensu na baya.1

Hoton Cryopterygius da aka yi da AI — Hoton yadda Cryopterygius 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: Cryopterygius
Wanda ya ba da suna: Druckenmiller et al. 20124
Rukuni: Ichthyosaurs
Iyali / rukuni: Ophthalmosauridae4
Rarrabewa: Ichthyosauria > Ichthyosauromorpha4
Zamanin duwatsu: shekaru miliyan 149 zuwa 143 (Tithonian)4
Tsarin duwatsu: Agardhfjellet, Kcynia4
Kasashe: Norway, Poland4
Rubutun burbushin halittu: 2 a cikin Bayanan Paleobiology4
Gano: Patrick Druckenmiller, Jørn Hurum, Espen Knutsen da Hans Nakrem ne suka ba Cryopterygius suna a shekarar 2012. An gano kusan dukkan ƙashin jikinsa a gefen arewa na Janusfjellet, kusa da Longyearbyen, Svalbard, Norway.1

Inda bayanan suka fito

Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway (njg.geologi.no)
Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway (geologi.no)
Cryopterygius (en.wikipedia.org)
Cryopterygius in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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