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Cryptoclidus

Naam beteken: “hidden collarbone”1

Het geëet: VleisPlesiosourusseMiddel-Jura tot Vroeë KrytTegnies nie 'n dinosourus nie

Cryptoclidus was a medium-sized plesiosaur that swam in warm seas during the Middle and Late Jurassic. It had a small head, a long neck, and four flippers. It probably ate soft animals like squid and small fish.1

Prettige feit: hierdie seereptiel het geswem terwyl dinosourusse op land geloop het. Almal noem hulle dino's, maar hulle was 'n ander tak van die reptiele.

Het geleef

165 tot 143 miljoen jaar gelede2

Middel-Jura tot Vroeë Kryt

Fossiele gevind in

England, France, Cuba, and possibly Russia and Argentina1 2

Lengte

4 m (13 ft)1

Gewig

737 kg tot 756 kg (1 600 tot 1 700 lb)1

Topspoed

omtrent 28 km/h (17 mph)

Swem, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

Hoe swaar was dit?

so swaar soos 38 honde

so lank soos 4 honde van neus tot stertso lank soos 22 piesangs punt aan puntso swaar soos 150 waatlemoeneso swaar soos 40 kleuterskoolkindersso swaar soos 24 skoolkinderskon die lengte van 'n groot swembad (50 m) in 6,4 sekondes swem

Hoe groot was Cryptoclidus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Cryptoclidus omtrent 28 km/h (17 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

The name Cryptoclidus means 'hidden collarbone' because its collarbones are tiny and hidden in the shoulder area.1

Fossils of Cryptoclidus have been found in the Oxford Clay of Cambridgeshire, England, and in the Kimmeridge Clay of France.1

The type species was first called Plesiosaurus eurymerus, which means 'wide thigh bone', because scientists mistook a front flipper bone for a back leg bone.1

Cryptoclidus had a small, fragile skull and teeth that could not handle tough prey, so it ate only soft animals.1

Scientists think Cryptoclidus used its long, intermeshing teeth to strain small animals from the water or sift through mud.1

The size and shape of its nostrils suggest Cryptoclidus could smell chemicals in seawater, helping it find food.1

Complete skeletons of Cryptoclidus have been found, including some that are nearly entirely preserved, showing both adults and juveniles.1

KI-prent van Cryptoclidus — 'n KI-prent van hoe Cryptoclidus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

julle het gevra

Mees gevraagde vrae oor Cryptoclidus

?How big was Cryptoclidus?

About 4 metres long and weighed around 737 to 756 kilograms. That is about as long as a small car.1

?What did Cryptoclidus eat?

It ate small, soft animals like squid and small fish. Its fragile teeth could not handle tough prey.1

?Was Cryptoclidus a dinosaur?

No, it was a plesiosaur, which is a marine reptile that lived in the sea. It is not a dinosaur.1

?When did Cryptoclidus live?

It lived during the Middle and Late Jurassic Period, about 166 to 160 million years ago.1

?Where were Cryptoclidus fossils found?

Fossils have been found in England, France, Cuba, and Russia. Many come from the Oxford Clay in Cambridgeshire, England.1 2

?Could Cryptoclidus swim?

Yes, it was a good swimmer. It used its four flippers to move through warm Jurassic seas.1

Mite-breker

Mite: Some people think Cryptoclidus was a dinosaur.

Waarheid: Cryptoclidus was a plesiosaur, a marine reptile that lived in the sea, not a dinosaur.1

Vir dino-kenners

Wetenskaplike naam: Cryptoclidus
Benoem deur: (Seeley 1892)2
Groep: Plesiosourusse
Familie / klade: Cryptoclididae2
Klassifikasie: Plesiosauria > Sauropterygia2
Ouderdom van die rotse: 165 tot 143 miljoen jaar (Callovian / Tithonian)2
Rotsformasies: Oxford Clay, Jagua, Kimmeridge Clay2
Lande: Verenigde Koninkryk, Kuba, Argentinië, Frankryk2
Fossielrekords: 17 in The Paleobiology Database2
Ook bekend as: Apractocleidus (ouer name tel nou as dieselfde dier)2
Ontdekking: The first fossils were described in 1871 by John Phillips as Plesiosaurus eurymerus. Harry Govier Seeley renamed it Cryptoclidus in 1892.1 2
Steeds omstrede: Scientists are not sure whether Cryptoclidus caught prey by swimming fast or by ambushing it, because its skeleton was not built for speed.1

Waar die feite vandaan kom

Cryptoclidus (en.wikipedia.org)
Cryptoclidus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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