Ikarita ya dinozore nimero 1052 muri 2 027

Libonectes

Izina risobanura: “southern swimmer”1

Yaryaga: InyamaPlesiyozoreKiretase ya nyumaMu by'ukuri si dinozore

Libonectes was a long-necked marine reptile that swam in warm seas during the time of the dinosaurs. It used its strong flippers to paddle through the water and may have swallowed fish and ammonites whole. Fossils show it had a skull that is one of the best preserved of any elasmosaurid plesiosaur.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 100 kugeza 903

Kiretase ya nyuma

Ibisigazwa byabonetse muri

Texas, USA and Er-Rachidia, Morocco1 3

Uburebure

7,2 m (24 ft)1

Umuvuduko wo hejuru

nka 25 km/h (16 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 7 zikurikiranyendende nk'imineke 40 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 7,2

Libonectes 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)

Libonectes nka 25 km/h (16 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Libonectes had a neck that was 5.06 metres (16.6 feet) long, more than two-thirds of its total body length.1

The first fossils were found by a farmer named T.W. Tidwell in the late 1930s in Texas.1

Its skull is the best preserved skull of any elasmosaurid plesiosaur ever found.1

Libonectes lived about 93 million years ago, during the Late Cretaceous period.3

It was originally named Elasmosaurus morgani in 1949, but was given its own genus, Libonectes, in 1997.1

Gastroliths (stomach stones) have been found inside Libonectes fossils, which may have helped it digest food or control its buoyancy in the water.1

Libonectes probably swam slowly and used its large size to trap prey.1

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

wabajije

Ibibazo bibazwa cyane kuri Libonectes

?How big was Libonectes?

Libonectes was a medium-sized plesiosaur, about 7.2 metres (24 feet) long. Its neck alone was 5.06 metres (16.6 feet) long.1

?What did Libonectes eat?

Libonectes probably ate small fish and ammonites. It may have swallowed prey whole and used stomach stones to help digest food.1

?Where was Libonectes found?

Fossils of Libonectes have been found in Texas, USA, and in Morocco. This shows it lived in warm seas on both sides of the Atlantic Ocean.1 2

Gusenya ibinyoma

Ibivugwa: Some people think plesiosaurs like Libonectes could lift their heads and necks high out of the water like a swan.

Ukuri: Scientists now believe their necks were not flexible enough to lift high above the water. They probably held their necks more horizontally while swimming.1

Ku bazobereye muri dinozore

Izina rya siyansi: Libonectes
Yiswe na: Carpenter 19973
Itsinda: Plesiyozore
Umuryango / ishami: Elasmosauridae3
Ishyirwa mu byiciro: Plesiosauria > Elasmosauridae > Sauropterygia3
Imyaka y'amabuye: imyaka miliyoni 100 kugeza 90 (Cenomanian / Turonian)3
Inzego z'amabuye: Britton, Akrabou3
Ibihugu: Amerika, Maroke3
Ibisigazwa byanditswe: 2 muri The Paleobiology Database3
Ivumburwa: The first Libonectes fossils were found by tenant farmer T.W. Tidwell in the late 1930s in Texas. Charles Gill Morgan prepared the fossils, and the species was named Elasmosaurus morgani by Welles in 1949. It was reclassified as its own genus Libonectes by Carpenter in 1997.1
Biracyagibwaho impaka: Scientists are not sure whether Libonectes was a pure carnivore or an omnivore, because gastroliths could indicate plant eating or just buoyancy control.1

Aho amakuru yakuwe

Libonectes (en.wikipedia.org)
Libonectes morgani, an elasmosaur with transatlantic dispersal (sachspal.de)
Libonectes in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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