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Megacephalosaurus

Tur bi mooy: “great-headed lizard”1
Lekkoon: YàppPlesiyosoor yiKretase bu mujjCi xam-xam, du dinosoor

Megacephalosaurus was a huge, short-necked plesiosaur that swam in the ancient sea that split North America in two. It had a massive head, the biggest of any plesiosaur found on the continent, and used its long snout to catch smaller prey.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 94 ba 90 milyoŋ at3
Kretase bu mujj
Fosil yu ñu gis ci
Kansas and other parts of the midwestern United States13
Guddaay
6 ba 9 m (20 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?

Megacephalosaurus lu tollu ci 9 m ci guddaay (30 ft)Weloy mag lu tollu ci 1,8 m (5,9 ft)Oto lu tollu ci 4,5 m (15 ft)Ñey, rab bi gën a mag ci suuf tey lu tollu ci 6,5 m (21 ft)
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 Megacephalosaurus 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?

yëf yu neex

Xibaar yu neex

1

Megacephalosaurus was one of the last pliosaurs, living about 94 to 93 million years ago during the Turonian stage of the Late Cretaceous.1

2

Its skull was up to 1.75 meters (5.7 feet) long, making it the largest skull of any plesiosaur known from North America.1

3

The teeth had long, thin ridges called apicobasal ridges that helped grip and puncture slippery prey.1

4

It shared its ocean home with sharks like Cretoxyrhina and Squalicorax, as well as other marine reptiles like mosasaurs and sea turtles.1

5

The first fossils were found in 1950 and were originally thought to belong to a different pliosaur called Brachauchenius lucasi.1

6

It was not until 2013 that scientists realized the fossils were from a new, distinct animal and named it Megacephalosaurus.1

Def ak IANataalu Megacephalosaurus bu ñu def ak IA
Nataal bu IA def la, muy wone ni Megacephalosaurus 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 Megacephalosaurus

?How big was Megacephalosaurus?

It was one of the largest marine reptiles of its time, estimated to be 6 to 9 meters (20 to 30 ft) long. Its skull alone could reach 1.75 meters (5.7 ft) in length.1

?What did Megacephalosaurus eat?

It likely ate smaller prey, because it had a long snout and teeth that were all about the same size. Its teeth had ridges that helped grip and puncture slippery animals.12

?When did Megacephalosaurus live?

It lived about 94 to 93 million years ago, during the Turonian stage of the Late Cretaceous. It was among the last of the pliosaurs.1

?Is Megacephalosaurus a dinosaur?

No, it is not a dinosaur. It is a plesiosaur, a type of marine reptile that lived in the ocean at the same time as dinosaurs.1

Ngir ñi xam dino lool

Turu xam-xam
Megacephalosaurus
Ku ko tudde
Schumacher et al. 20133
Kurél
Plesiyosoor yi
Njaboot / klad
Pliosauridae3
Klasifikasiyoŋ
Plesiosauria > Pliosauridae > Sauropterygia3
Màggaayu doj yi
94 ba 90 milyoŋ at (Turonian)3
Formasiyoŋi doj
Carlile Shale, Greenhorn Limestone3
Réew yi
Amerig3
Fosil yu ñu gis
2 ci The Paleobiology Database3
Gisees
The first fossils were discovered in 1950 by George F. Sternberg in Kansas. They were later studied by Bruce Schumacher, Kenneth Carpenter, and Mike Everhart, who named the new species Megacephalosaurus eulerti in 2013.1
Ñu ngi koy werante ba tey
Scientists are still debating how the last brachauchenine pliosaurs, including Megacephalosaurus, are related to each other and what their teeth tell us about their evolution.2

Fa xibaar yi jóge

  1. Megacephalosaurus (en.wikipedia.org)
  2. Morphological and phylogenetic aspects of the dentition of Megacephalosaurus eulerti , a pliosaurid from the Turonian of Kansas, USA, with remarks on the cranial anatomy of the taxon (cambridge.org)
  3. Megacephalosaurus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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