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Elasmosauridae : ウィキペディア英語版 | Elasmosauridae
Elasmosauridae was a family of plesiosaurs. They had the longest necks of the plesiosaurs and survived from the Late Triassic to the end of the Cretaceous. Their diet mainly consisted of crustaceans and molluscs. ==Size==
The earliest elasmosaurids were small, about . At the end of the Cretaceous, elasmosaurids grew as large as , such as ''Elasmosaurus''. Their necks were the longest of all the plesiosaurs, with anywhere between 32 to 76 (''Albertonectes'') cervical vertebrae They weighed up to several tons.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Elasmosauridae」の詳細全文を読む
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