: a genus of large marine turtles from the Upper Cretaceous of North America having a carapace and plastron somewhat like those of the leatherback

Word History


New Latin, from prot- + Greek stegē roof; akin to Latin tegere to cover

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Dictionary Entries Near Protostega

Cite this Entry

“Protostega.” Dictionary, Merriam-Webster, Accessed 22 Feb. 2024.

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