Kartu dino No. 1153 ci 2 027

Megalneusaurus

Tur bi mooy: “king of large swimming lizards”1

Lekkoon: YàppPlesiyosoor yiJurasik bu mujjCi xam-xam, du dinosoor

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

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.

Dundoon

am na 162 ba 155 milyoŋ at3

Jurasik bu mujj

Fosil yu ñu gis ci

Wyoming, USA, and possibly Alaska, USA1

Guddaay

7 ba 9 m (23 ba 30 ft)1

Gaawaay bi gën a kawe

lu tollu ci 23 km/h (14 mph)

Féey, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

gudd ni 2 oto yu ñu taxawal ci benn rëddgudd ni 50 banaana yu ñu topp-toppalemënoon na féey guddaayu pisin bu mag (50 m) ci 7,8 segond

Naka la Megalneusaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Megalneusaurus lu tollu ci 23 km/h (14 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Megalneusaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Megalneusaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci 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

Ku tas léeb yu dul dëgg

Léeb: Some people think Megalneusaurus was a dinosaur.

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

Ngir ñi xam dino lool

Turu xam-xam: Megalneusaurus
Ku ko tudde: Knight 18983
Kurél: Plesiyosoor yi
Njaboot / klad: Plesiosauria3
Klasifikasiyoŋ: Plesiosauria > Sauropterygia3
Màggaayu doj yi: 162 ba 155 milyoŋ at (Oxfordian)3
Formasiyoŋi doj: Sundance3
Réew yi: Amerig3
Fosil yu ñu gis: 1 ci The Paleobiology Database3
Gisees: 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
Ñu ngi koy werante ba tey: Scientists debate whether Megalneusaurus is a valid genus because many of the original fossils were lost.1

Fa xibaar yi jóge

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): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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