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Cryptoclidus

Izenaren esanahia: “hidden collarbone”1

Jaten zuen: HaragiaPlesiosauroakErdi Jurasikoa eta Behe Kretazeoa arteanTeknikoki ez da dinosauroa

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

Datu dibertigarria: itsas narrasti hau igerian zebilen dinosauroak lehorrean ibiltzen ziren bitartean. Denek dino deitzen diete, baina narrastien beste adar bat ziren.

Bizi izan zen

Duela 165 eta 143 milioi urte artean2

Erdi Jurasikoa eta Behe Kretazeoa artean

Fosilak hemen aurkitu dira:

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

Luzera

4 m (13 ft)1

Pisua

737 kg eta 756 kg artean (1 600 eta 1 700 lb artean)1

Abiadura maximoa

28 km/h inguru (17 mph)

Igeri egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein astuna zen?

38 txakur bezain astun

4 txakur bezain luze, sudurretik buztanerabata bestearen atzean jarritako 22 banana bezain luze150 angurria bezain astunhaur-eskolako 40 haur bezain astun24 eskolaume bezain astunigerileku handi baten luzera (50 m) 6,4 segundotan egin zezakeen igerian

Zein handia zen Cryptoclidus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Cryptoclidus 28 km/h inguru (17 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

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

Cryptoclidus: AAk egindako irudia — Cryptoclidus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Cryptoclidus: gehien egindako galderak

?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

Mito-hauslea

Mitoa: Some people think Cryptoclidus was a dinosaur.

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

Dino adituentzat

Izen zientifikoa: Cryptoclidus
Izendatzailea:: (Seeley 1892)2
Taldea: Plesiosauroak
Familia / klada: Cryptoclididae2
Sailkapena: Plesiosauria > Sauropterygia2
Arroken adina: 165 eta 143 milioi urte artean (Callovian / Tithonian)2
Arroka-formazioak: Oxford Clay, Jagua, Kimmeridge Clay2
Herrialdeak: Erresuma Batua, Kuba, Argentina, Frantzia2
Fosil-erregistroak: 17 The Paleobiology Database datu-basean2
Honela ere ezaguna: Apractocleidus (orain animalia bertzat hartzen diren izen zaharragoak)2
Aurkikuntza: The first fossils were described in 1871 by John Phillips as Plesiosaurus eurymerus. Harry Govier Seeley renamed it Cryptoclidus in 1892.1 2
Oraindik eztabaidagai: Scientists are not sure whether Cryptoclidus caught prey by swimming fast or by ambushing it, because its skeleton was not built for speed.1

Datuak nondik datozen

Cryptoclidus (en.wikipedia.org)
Cryptoclidus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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