Ikarita ya dinozore nimero 1709 muri 2 027

Stelladens

Izina risobanura: “star tooth”1

Yaryaga: InyamaMozazoreKiretase ya nyumaMu by'ukuri si dinozore

Stelladens was a marine lizard that lived in the sea during the time of the dinosaurs. Its teeth were shaped like stars, with sharp ridges that no other sea reptile had. Scientists are still trying to figure out what it ate!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 72 kugeza 664

Kiretase ya nyuma

Ibisigazwa byabonetse muri

Sidi Chennane phosphate mine, Oulad Abdoun Basin, Khouribga Province, Morocco2 1

Uburebure

5 m (16 ft)1

Umuvuduko wo hejuru

nka 38 km/h (24 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 5 zikurikiranyendende nk'imineke 28 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 4,7

Stelladens 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)

Stelladens nka 38 km/h (24 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Stelladens lived about 72 to 66 million years ago, at the very end of the Age of Dinosaurs.3

Its teeth had 2 to 4 sharp, serrated ridges on the inside, like little star blades. No other animal, alive or extinct, has teeth like this.2

Stelladens was about 5 metres (16 feet) long, as big as a small boat.1

The only fossils found so far are a piece of jaw and two teeth. That is enough to know it was a new kind of mosasaur.2 1

Stelladens belonged to a group called Mosasaurinae, which includes some of the biggest sea lizards ever.3 2

Its teeth were short and strong, good for crushing, not just stabbing like other fish-eaters.2

Ishusho ya Stelladens yakozwe na AI — Ishusho yakozwe na AI yerekana uko Stelladens 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: Stelladens
Yiswe na: Longrich et al. 20234
Itsinda: Mozazore
Umuryango / ishami: Mosasauridae4
Ishyirwa mu byiciro: Mosasauroidea4
Imyaka y'amabuye: imyaka miliyoni 72 kugeza 66 (Maastrichtian)4
Inzego z'amabuye: Couche III4
Ibihugu: Maroke4
Ibisigazwa byanditswe: 1 muri The Paleobiology Database4
Ivumburwa: Stelladens was named by Nick Longrich and his team in 2024. The fossils were found in a phosphate mine in Morocco.1 3
Biracyagibwaho impaka: Scientists are not sure what Stelladens ate. Its star-shaped teeth are unlike anything seen before, so its diet remains a mystery.2

Aho amakuru yakuwe

Stelladens (en.wikipedia.org)
Stelladens mysteriosus: A Strange New Mosasaurid (Squamata) from the Maastrichtian (Late Cretaceous) of Morocco (mdpi.com)
PBDB Taxon (paleobiodb.org)
Stelladens in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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