Eonatator
Eonatator was a small, speedy marine lizard that swam in warm Cretaceous seas. It was an early relative of the giant mosasaurs, but much smaller and more agile.1
Cando viviu?
Como era de grande?
Canto medía de longo?
tan longo coma 2,5 cans do fociño á cola🍌tan longo coma 14 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 6 segundosComo era de grande Eonatator comparado CONTIGO?
Só son contas no teu navegador. Non se garda nin se envía nada.
Que velocidade alcanzaba?
Datos curiosos
Eonatator's tail made up about 40% of its head and body length, helping it swim fast.1
The first Eonatator fossil was found in the Niobrara Chalk of Kansas in 1918 by Charles Hazelius Sternberg and his son Levi.1
Eonatator was originally thought to be a species of Clidastes or Halisaurus, but scientists gave it its own genus in 2005.1
A second species, Eonatator coellensis, was discovered in Colombia and named after the town of Coello.1
Eonatator had a smooth, triangular bone on top of its skull with a round hole called the parietal foramen.1
Like many mosasaurs, Eonatator gave birth to live young instead of laying eggs.2

As preguntas máis frecuentes sobre Eonatator
?How big was Eonatator?
Eonatator was a small mosasaur. The type specimen of Eonatator sternbergii was about 2.6 metres (8.5 ft) long, and a specimen of Eonatator coellensis measured 2.8 metres (9.2 ft) long as preserved, missing part of its tail.1
?What did Eonatator eat?
The sources do not say exactly what Eonatator ate. As a small marine lizard and a mosasaur, it likely ate fish and other small sea creatures, but no specific diet is given.1
?Where was Eonatator found?
Eonatator fossils have been found in North America (Kansas and Alabama), Colombia, and Sweden. The first fossil was discovered in the Niobrara Chalk of Kansas in 1918.1
?Is Eonatator a dinosaur?
No, Eonatator is not a dinosaur. It is a marine lizard belonging to the mosasaur family.1
Para expertos en dinos
- Nome científico
- Eonatator
- Bautizado por
- Bardet et al. 20053
- Grupo
- Mosasauros
- Familia / clado
- Mosasauridae3
- Clasificación
- Mosasauroidea3
- Idade das rochas
- de 86 a 72 millóns de anos (Santonian / Campanian)3
- Formacións rochosas
- Niobrara, Nivel de Lutitas y Arenas3
- Países
- Suecia, EUA, Colombia3
- Rexistros fósiles
- 9 na Paleobiology Database3
- Descubrimento
- The first Eonatator fossil, a nearly complete skeleton, was found in Kansas in 1918 by Charles Hazelius Sternberg and his son Levi. It was named Eonatator sternbergii by Nathalie Bardet and colleagues in 2005.1
- Aínda en debate
- Some scientists think Eonatator might actually belong to the genus Halisaurus, but most now accept it as a separate genus.1
De onde veñen os datos
- Eonatator (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Eonatator in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
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