Ikarita ya dinozore nimero 1026 muri 2 027

Leivanectes

Izina risobanura: “Leiva swimmer, named after Villa de Leiva in Colombia”1 2

Yaryaga: InyamaPlesiyozoreKiretase ya mbereMu by'ukuri si dinozore

Leivanectes was a long-necked marine reptile that swam in the warm seas of Colombia about 115 million years ago. It was a plesiosaur, not a dinosaur, and it used its strong flippers to paddle through the water. This ocean hunter had a special short jaw with big teeth for catching large fish.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 120 kugeza 1133

Kiretase ya mbere

Ibisigazwa byabonetse muri

Villa de Leiva, Boyacá, Colombia (Paja Formation)1 2

Umuvuduko wo hejuru

nka 27 km/h (17 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yihutaga ite?

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

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

Leivanectes 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

Leivanectes had fewer and larger teeth than any other known elasmosaurid plesiosaur. It only had 3 teeth in the front of its lower jaw, while a similar plesiosaur called Callawayasaurus had 5.2

This plesiosaur lived during the Aptian stage of the Early Cretaceous, between about 119 and 113 million years ago.1

Leivanectes was named in 2019 by a team of scientists from Argentina and Colombia, including María Páramo-Fonseca and José O'Gorman.1 2

Its short jaw and big teeth suggest Leivanectes ate larger prey than other long-necked elasmosaurids, which usually ate small fish.2

Leivanectes is only known from a partial skull and lower jaw, so scientists are not sure how big its body was.2

Ishusho ya Leivanectes yakozwe na AI — Ishusho yakozwe na AI yerekana uko Leivanectes 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: Leivanectes
Yiswe na: Páramo-Fonseca et al. 20193
Itsinda: Plesiyozore
Umuryango / ishami: Elasmosauridae3
Ishyirwa mu byiciro: Plesiosauria > Elasmosauridae > Sauropterygia3
Imyaka y'amabuye: imyaka miliyoni 120 kugeza 113 (Aptian)3
Inzego z'amabuye: Paja3
Ibihugu: Kolombiya3
Ibisigazwa byanditswe: 1 muri The Paleobiology Database3
Ivumburwa: Leivanectes was discovered in the Paja Formation of Villa de Leiva, Colombia, and named in 2019 by Páramo-Fonseca and colleagues. The species name bernardoi honors a local person named Bernardo.1 2
Biracyagibwaho impaka: Scientists are not sure how long Leivanectes' neck was, because only its skull has been found. It might have had a shorter neck than other elasmosaurids.2

Aho amakuru yakuwe

PBDB Taxon (paleobiodb.org)
A new late Aptian elasmosaurid from the Paja Formation, Villa de Leiva, Colombia (explore.openaire.eu)
Leivanectes in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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