Ikarita ya dinozore nimero 0987 muri 2 027

Kronosaurus

Izina risobanura: “lizard of Kronos, the Titan from Greek mythology”1

Yaryaga: InyamaPlesiyozoreKiretase ya mbereMu by'ukuri si dinozore

Kronosaurus was a giant marine reptile that swam in the oceans and inland seas of the Early Cretaceous. It was a pliosaur, a type of short-necked plesiosaur with a huge head and powerful jaws. With its four flippers, it could 'fly' underwater to chase down big prey.2 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 121 kugeza 1004

Kiretase ya mbere

Ibisigazwa byabonetse muri

Queensland, New South Wales and South Australia, Australia; also Boyacá, Colombia2 1 4

Uburebure

9 kugeza 10 m (30 kugeza 33 ft)2

Uburemere

toni 10,6 kugeza toni 12,1 (23 400 kugeza 26 700 lb)1

Umuvuduko wo hejuru

nka 19 km/h (12 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Yari iremereye ite?

iremereye nk'inzovu 2

ndende nk'imodoka 2 ziparitse ku murongondende nk'imineke 56 ikurikiranyeiremereye nk'imodoka 8iremereye nk'imbuto 2400 za watermeloniremereye nk'ibyumba 15 by'amashuri byuzuye abanairemereye nk'idubu 27 zo mu ruburayashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 9,5

Kronosaurus 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)

Kronosaurus nka 19 km/h (12 mph)

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

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

utuntu twiza cyane

Utuntu dushimishije

Kronosaurus had a skull at least 2.4 metres long, which is huge compared to its body length of about 10 metres.2

Its teeth were conical and crushing, perfect for cracking the hard shells of ammonites.2

One Kronosaurus fossil (QM F10113) contains the remains of a sea turtle inside. The turtle was so big that it choked the pliosaur.1

Bite marks on the skull of an elasmosaurid called Eromangasaurus show that Kronosaurus attacked it, probably aiming for the long neck.1

Kronosaurus lived in the cool Eromanga Sea, an inland sea that covered parts of Australia. Glendonites and ice-rafted boulders show the water was near-freezing in winter.2

Unlike long-necked elasmosaurids, pliosaurids like Kronosaurus could cruise at high speed for a long time.2

The first Kronosaurus fossil was a piece of jawbone found in 1899. It was first thought to be from an ichthyosaur.1

Ishusho ya Kronosaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Kronosaurus 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 Kronosaurus

?How big was Kronosaurus?

Kronosaurus was about 9 to 10 metres long. Early guesses of 13 metres were too big because the skeleton had too many vertebrae.1 2

?Was Kronosaurus a dinosaur?

No, Kronosaurus was a marine reptile called a pliosaur, a type of plesiosaur. It was not a dinosaur.1 2

?What did Kronosaurus eat?

Kronosaurus ate large fish, squid, ammonites, sea turtles, and even other marine reptiles like elasmosaurids and ichthyosaurs.2 1

?How fast could Kronosaurus swim?

Pliosaurids like Kronosaurus could cruise at high speeds for long periods, using all four flippers to 'fly' underwater. Scientists do not know the exact speed.2

?How strong was Kronosaurus' bite?

Its bite force is estimated at 15,000 to 27,000 newtons. That is stronger than any living animal, but less than megalodon.1

?Where did Kronosaurus live?

Kronosaurus lived in the Eromanga Sea, an inland sea that covered parts of Australia during the Early Cretaceous. The water was cold, near freezing in winter.2 1

?When did Kronosaurus live?

Kronosaurus lived during the Early Cretaceous, about 125 to 100 million years ago.3

?Did Kronosaurus have feathers?

No, Kronosaurus was a marine reptile with smooth skin and flippers. It did not have feathers.1

Gusenya ibinyoma

Ibivugwa: Kronosaurus was nearly 13 metres long.

Ukuri: Scientists now think it was no more than about 10 metres long. The old 13-metre estimate was based on exaggerated reconstructions.2

Ku bazobereye muri dinozore

Izina rya siyansi: Kronosaurus
Yiswe na: Longman 19244
Itsinda: Plesiyozore
Umuryango / ishami: Pliosauridae4
Ishyirwa mu byiciro: Plesiosauria > Pliosauridae > Sauropterygia4
Imyaka y'amabuye: imyaka miliyoni 121 kugeza 100 (Aptian / Albian)4
Inzego z'amabuye: Wallumbilla, Toolebuc, Paja4
Ibihugu: Ositaraliya, Kolombiya4
Ibisigazwa byanditswe: 4 muri The Paleobiology Database4
Ivumburwa: The first fossil was found in 1899 near Hughenden, Queensland. In 1924, Albert Heber Longman named it Kronosaurus queenslandicus. A famous skeleton was collected by the Harvard Museum of Comparative Zoology in the early 1930s.1
Biracyagibwaho impaka: Scientists are not sure if the Colombian pliosaur Monquirasaurus boyacensis was really a close relative of Kronosaurus or belongs to a different group.1

Aho amakuru yakuwe

Kronosaurus (en.wikipedia.org)
Kronosaurus queenslandicus - The Australian Museum (australian.museum)
Fossil Factfile: Kronosaurus (australiangeographic.com.au)
Kronosaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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