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

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Size comparison

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

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References

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Sources

Шаблон:Plesiosauria Шаблон:Taxonbar


Шаблон:Plesiosaur-stub