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Debuxo de Megacephalosaurus
Tarxeta de dino n.º 1152 de 2 027

Megacephalosaurus

O nome significa: “great-headed lizard”1
Comía: CarnePlesiosaurosCretáceo SuperiorTecnicamente non é un dinosauro

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

Dato curioso: este réptil mariño nadaba mentres os dinosauros camiñaban por terra. Todo o mundo lles chama dinos, pero eran outra rama dos réptiles.
Viviu
hai entre 94 e 90 millóns de anos3
Cretáceo Superior
Fósiles atopados en
Kansas and other parts of the midwestern United States13
Lonxitude
6 a 9 m (20 a 30 ft)1
Velocidade máxima
uns 23 km/h (14 mph)
Nadar, estimación

Cando viviu?

Triásico
Xurásico
Cretáceo
Hai 252 millóns de anos20114566, o asteroide

Como era de grande?

Canto medía de longo?

Megacephalosaurus uns 9 m de longo (30 ft)Unha bici de adulto uns 1,8 m (5,9 ft)Un coche uns 4,5 m (15 ft)Un elefante, o animal terrestre máis grande de hoxe uns 6,5 m (21 ft)
tan longo coma 2 coches aparcados en filatan longo coma 50 plátanos postos un tras outropodería nadar o longo dunha piscina grande (50 m) en 7,8 segundos

Como era de grande Megacephalosaurus comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada.

Que velocidade alcanzaba?

cousas xeniais

Datos curiosos

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

Feito con IAImaxe de Megacephalosaurus feita con IA
Unha imaxe feita con IA de como podería ser Megacephalosaurus, creada por un ordenador a partir do que saben os científicos. É unha suposición: o animal real podía ser diferente, e ninguén sabe as súas cores de verdade.
ti preguntaches

As preguntas máis frecuentes sobre 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

Para expertos en dinos

Nome científico
Megacephalosaurus
Bautizado por
Schumacher et al. 20133
Grupo
Plesiosauros
Familia / clado
Pliosauridae3
Clasificación
Plesiosauria > Pliosauridae > Sauropterygia3
Idade das rochas
de 94 a 90 millóns de anos (Turonian)3
Formacións rochosas
Carlile Shale, Greenhorn Limestone3
Países
EUA3
Rexistros fósiles
2 na Paleobiology Database3
Descubrimento
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
Aínda en debate
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

De onde veñen os datos

  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): idade, lugares, formacións rochosas, clasificación.

Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.

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Tamén da mesma época: Cretáceo Superior

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