Ikarita ya dinozore nimero 0564 muri 2 027

Edgarosaurus

Izina risobanura: “Edgar's lizard”3

Yaryaga: InyamaPlesiyozoreKiretase ya mbere kugeza Kiretase ya nyumaMu by'ukuri si dinozore

Edgarosaurus was a short-necked plesiosaur that swam in the warm, shallow sea that once covered Montana. It used its long snout and sharp teeth to catch fish and other slippery prey.1 2

Akantu gashimishije: iki gikururanda cyo mu nyanja cyogaga mu gihe dinozore zagendaga ku butaka. Bose bakita dinozore, ariko cyari mu rindi shami ry'ibikururanda.

Yabayeho

hashize imyaka miliyoni 106 kugeza 943

Kiretase ya mbere kugeza Kiretase ya nyuma

Ibisigazwa byabonetse muri

Montana, USA3

Uburebure

3,5 m (11 ft)2

Umuvuduko wo hejuru

nka 29 km/h (18 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 4 zikurikiranyendende nk'imineke 19 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 6,2

Edgarosaurus yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Edgarosaurus nka 29 km/h (18 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Edgarosaurus had a short neck and a long snout, unlike the long-necked plesiosaurs like Elasmosaurus.1

Its skull is one of the oldest and best-preserved plesiosaur skulls from the Cretaceous of North America.1

Edgarosaurus had 26 neck bones, which is more than some other short-necked plesiosaurs like Dolichorhynchops (which had 19).2

It had a small opening in the top of its skull called a pineal foramen, which some other plesiosaurs lacked.2

The only known fossil of Edgarosaurus was found in the Thermopolis Shale, which was once the bottom of the Western Interior Seaway.1

Edgarosaurus lived about 106 to 94 million years ago, during the Late Cretaceous period.2

Ishusho ya Edgarosaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Edgarosaurus ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

Ku bazobereye muri dinozore

Izina rya siyansi: Edgarosaurus
Yiswe na: Druckenmiller 20023
Itsinda: Plesiyozore
Umuryango / ishami: Polycotylidae3
Ishyirwa mu byiciro: Plesiosauria > Sauropterygia3
Imyaka y'amabuye: imyaka miliyoni 106 kugeza 94 (Albian / Cenomanian)3
Inzego z'amabuye: Thermopolis Shale3
Ibihugu: Amerika3
Ibisigazwa byanditswe: 1 muri The Paleobiology Database3
Ivumburwa: Edgarosaurus was named by Pat S. Druckenmiller in 2002, based on a partial skeleton found in Montana. The type specimen includes a complete skull, many vertebrae, and a forelimb.1 3
Biracyagibwaho impaka: Scientists are not sure exactly how Edgarosaurus is related to other plesiosaurs. Some place it in the group Polycotylidae, but its exact family tree is still debated.1

Aho amakuru yakuwe

Osteology of a new plesiosaur from the lower Cretaceous (Albian) Thermopolis Shale of Montana (tandfonline.com)
PBDB Taxon (paleobiodb.org)
Edgarosaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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