Mosasauria Synonyms & Definitions

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• MosasauriaDefinition & Meaning in English

1. (n. pl.) An order of large, extinct, marine reptiles, found in the Cretaceous rocks, especially in America. They were serpentlike in form and in having loosely articulated and dilatable jaws, with large recurved tteth, but they had paddlelike feet. Some of them were over fifty feet long. They are, essentially, fossil sea serpents with paddles. Called also Pythonomarpha, and Mosasauria.

• MosasaurianDefinition & Meaning in English

1. (n.) One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria.