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Megalneusaurus
Megalneusaurus was a giant marine reptile that swam in the shallow Sundance Sea during the Late Jurassic. It was one of the biggest predators in North America at that time, with four flippers and a big head.1
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Datu dibertigarriak
Megalneusaurus was one of the largest pliosaurs in North America, measuring about 7 to 9 meters (23 to 30 feet) long.1
Its back flippers were bigger than its front flippers, which is unusual for plesiosaurs.1
It lived in the Sundance Sea, a shallow sea that covered parts of North America during the Jurassic.1
Scientists think it was an ambush predator, waiting to surprise its prey.1
A specimen from Alaska suggests it could also live in colder waters.1
Megalneusaurus: gehien egindako galderak
?How big was Megalneusaurus?
Megalneusaurus was about 7 to 9 meters (23 to 30 feet) long. Some estimates say it could reach around 13 meters (43 feet).1
?What did Megalneusaurus eat?
It ate squid-like animals and fish, based on hooklets and fish bones found in its stomach. It may also have eaten other plesiosaurs.12
?Could Megalneusaurus live in cold water?
Yes. A specimen found in Alaska shows it could live in colder waters, where there were fewer animals.1
?Was Megalneusaurus a dinosaur?
No, it was a marine reptile called a pliosaur, not a dinosaur. It lived in the sea.1
Mito-hauslea
Mitoa: Some people think Megalneusaurus was a dinosaur.
Egia: It was a plesiosaur, a marine reptile, not a dinosaur.1
Dino adituentzat
- Izen zientifikoa
- Megalneusaurus
- Izendatzailea:
- Knight 18983
- Taldea
- Plesiosauroak
- Familia / klada
- Plesiosauria3
- Sailkapena
- Plesiosauria > Sauropterygia3
- Arroken adina
- 162 eta 155 milioi urte artean (Oxfordian)3
- Arroka-formazioak
- Sundance3
- Herrialdeak
- AEB3
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean3
- Aurkikuntza
- Wilbur Clinton Knight found and described the first fossils in 1895, near Ervay, Wyoming. He first called it Cimoliosaurus rex, then gave it its own genus name in 1898.12
- Oraindik eztabaidagai
- Scientists debate whether Megalneusaurus is a valid genus because many of the original fossils were lost.1
Datuak nondik datozen
- Megalneusaurus (en.wikipedia.org)
- REDISCOVERY OF WILBUR KNIGHT’S MEGALNEUSAURUS REX SITE: NEW MATERIAL FROM AN OLD PIT (wyomingdinosaurcenter.org)
- Megalneusaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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Elasmosaurus
Pliosaurus
Plesiosaurus
Cimoliasaurus
Colymbosaurus
Trinacromerum
Brachiosaurus
Diplodocus
Allosaurus
Brontosaurus
Compsognathus
Camarasaurus