Английская Википедия:Hydrotherosaurus
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Hydrotherosaurus (meaning "water beast lizard") is an extinct genus of elasmosaurid plesiosaur from the Upper Cretaceous (Maastrichtian stage) Moreno Formation of Fresno County, California, USA. The only known species, H. alexandrae, was named for its discoverer, Annie Montague Alexander, by Samuel Paul Welles.
Description
Hydrotherosaurus was a medium-sized plesiosaur, measuring approximately Шаблон:Convert long.[1][2] It has one of the longest necks relative to total length among elasmosaurids, with 60 vertebrae in total. It had a small head that measured about Шаблон:Convert long, a streamlined body, and four large flippers that were specially designed to help the huge animal balance, move, and accelerate itself.Шаблон:Citation needed
See also
References
Sources
Шаблон:Plesiosauria Шаблон:Taxonbar
- Английская Википедия
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- Late Cretaceous plesiosaurs of North America
- Fossil taxa described in 1943
- Elasmosaurids
- Taxa named by Samuel Paul Welles
- Sauropterygian genera
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