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
Noiz bizi izan zen?
Zein handia zen?
Zein luzea zen?
2,5 txakur bezain luze, sudurretik buztanera๐bata bestearen atzean jarritako 14 banana bezain luze๐igerileku handi baten luzera (50 m) 6 segundotan egin zezakeen igerianZein handia zen Eonatator ZUREKIN alderatuta?
Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.
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Datu dibertigarriak
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

Eonatator: gehien egindako galderak
?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
Dino adituentzat
- Izen zientifikoa
- Eonatator
- Izendatzailea:
- Bardet et al. 20053
- Taldea
- Mosasauroak
- Familia / klada
- Mosasauridae3
- Sailkapena
- Mosasauroidea3
- Arroken adina
- 86 eta 72 milioi urte artean (Santonian / Campanian)3
- Arroka-formazioak
- Niobrara, Nivel de Lutitas y Arenas3
- Herrialdeak
- Suedia, AEB, Kolonbia3
- Fosil-erregistroak
- 9 The Paleobiology Database datu-basean3
- Aurkikuntza
- 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
- Oraindik eztabaidagai
- Some scientists think Eonatator might actually belong to the genus Halisaurus, but most now accept it as a separate genus.1
Datuak nondik datozen
- Eonatator (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Eonatator in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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