Carta da dino nr. 1153 da 2 027

Megalneusaurus

Il num vul dir: “king of large swimming lizards”1

Mangiava: CharnPlesiosaursGiurassic tardivTecnicamain betg in dinosaur

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

Fatg divertent: quest reptil da mar nudava, entant ch'ils dinosaurs chaminavan sin terra. Tuts als numnan dinos, ma els eran in'autra rama dals reptils.

Viveva

avant 162 fin 155 milliuns onns3

Giurassic tardiv

Fossils chattads en

Wyoming, USA, and possibly Alaska, USA1

Lunghezza

7 fin 9 m (23 fin 30 ft)1

Spertadad maximala

var 23 km/h (14 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

uschè lung sco 2 autos parcads in suenter l'auteruschè lung sco 50 bananas ina suenter l'autrapudess nudar la lunghezza d'ina gronda piscina (50 m) en 7,8 secundas

Quant grond era Megalneusaurus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Megalneusaurus var 23 km/h (14 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

Fossil stomach contents include tiny hooks from squid-like animals and bits of fish bones.1 2

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

Maletg da Megalneusaurus fatg cun IA — In maletg fatg cun IA che mussa co Megalneusaurus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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.1 2

?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

Chatschader da mitus

Mitus: Some people think Megalneusaurus was a dinosaur.

Vardad: It was a plesiosaur, a marine reptile, not a dinosaur.1

Per experts da dinos

Num scientific: Megalneusaurus
Numnà da: Knight 18983
Gruppa: Plesiosaurs
Famiglia / clada: Plesiosauria3
Classificaziun: Plesiosauria > Sauropterygia3
Vegliadetgna da la crappa: 162 fin 155 milliuns onns (Oxfordian)3
Formaziuns da crap: Sundance3
Pajais: USA3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: 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 1898.1 2
Anc discutà: Scientists debate whether Megalneusaurus is a valid genus because many of the original fossils were lost.1

Danunder che vegnan ils fatgs

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): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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