Ikarita ya dinozore nimero 1040 muri 2 027

Leurospondylus

Izina risobanura: “smooth vertebra”1

Yaryaga: InyamaPlesiyozoreKiretase ya nyumaMu by'ukuri si dinozore

Leurospondylus was a plesiosaur, a long-necked marine reptile that lived in the Late Cretaceous period. It swam in rivers and estuaries in what is now Alberta, Canada. Scientists think it may have spent its early life in brackish water.1

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 72 kugeza 662

Kiretase ya nyuma

Ibisigazwa byabonetse muri

Alberta, Canada (Horseshoe Canyon Formation, Red Deer River)1 2

Uburebure

kugeza kuri 2 m (6,6 ft)1

Umuvuduko wo hejuru

nka 27 km/h (17 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'injangwe 4 zo mu rugo zikurikiranyendende nk'imineke 11 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 6,7

Leurospondylus 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)

Leurospondylus nka 27 km/h (17 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

The only known fossil of Leurospondylus is a juvenile that was about 2 meters long. Adults may have been much larger.1

Its name means 'smooth vertebra' because its backbone bones were flat and wider than they were long.1

Leurospondylus lived in brackish water (a mix of fresh and salt water) in rivers and estuaries. This is unusual because most plesiosaurs lived in the open ocean.1

When it was first described in 1913, Leurospondylus was thought to be the last known plesiosaur fossil. Its species name 'ultimus' means 'last' in Latin.1

Scientists are not sure which family Leurospondylus belongs to. Its vertebrae look like those of pliosaurs, but its shoulder and hip bones resemble those of elasmosaurids.1

The fossil was found on the east bank of the Red Deer River in Alberta, Canada, in rocks that are about 72 to 66 million years old.2 1

Ishusho ya Leurospondylus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Leurospondylus 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.

Gusenya ibinyoma

Ibivugwa: Leurospondylus was a dinosaur.

Ukuri: Leurospondylus was a plesiosaur, a marine reptile that lived in the sea and rivers. Plesiosaurs are not dinosaurs.1

Ku bazobereye muri dinozore

Izina rya siyansi: Leurospondylus
Yiswe na: Brown 19132
Itsinda: Plesiyozore
Umuryango / ishami: Elasmosauridae2
Ishyirwa mu byiciro: Plesiosauria > Elasmosauridae > Sauropterygia2
Imyaka y'amabuye: imyaka miliyoni 72 kugeza 66 (Maastrichtian)2
Inzego z'amabuye: Horseshoe Canyon2
Ibihugu: Kanada2
Ibisigazwa byanditswe: 1 muri The Paleobiology Database2
Ivumburwa: Leurospondylus was named by Barnum Brown in 1913 based on a juvenile fossil found in the Horseshoe Canyon Formation of Alberta, Canada.1 2
Biracyagibwaho impaka: Scientists still debate whether Leurospondylus belongs to the family Elasmosauridae or to a different group, because its bones show a mix of features.1

Aho amakuru yakuwe

Leurospondylus (en.wikipedia.org)
Leurospondylus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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