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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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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
Mees gevraagde vrae oor Megalneusaurus
?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
Mite-breker
Mite: Some people think Megalneusaurus was a dinosaur.
Waarheid: It was a plesiosaur, a marine reptile, not a dinosaur.1
Vir dino-kenners
- Wetenskaplike naam
- Megalneusaurus
- Benoem deur
- Knight 18983
- Groep
- Plesiosourusse
- Familie / klade
- Plesiosauria3
- Klassifikasie
- Plesiosauria > Sauropterygia3
- Ouderdom van die rotse
- 162 tot 155 miljoen jaar (Oxfordian)3
- Rotsformasies
- Sundance3
- Lande
- VSA3
- Fossielrekords
- 1 in The Paleobiology Database3
- Ontdekking
- 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
- Steeds omstrede
- Scientists debate whether Megalneusaurus is a valid genus because many of the original fossils were lost.1
Waar die feite vandaan kom
- 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): ouderdom, plekke, rotsformasies, klassifikasie.
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Pliosaurus
Plesiosaurus
Cimoliasaurus
Colymbosaurus
Trinacromerum
Brachiosaurus
Diplodocus
Allosaurus
Brontosaurus
Compsognathus
Camarasaurus