Pleurosternidae

plural noun

Pleu·​ro·​ster·​ni·​dae

ˌplu̇rəˈstərnəˌdē

: a family of primitive fossil turtles that includes some of the earliest testudinates

Word History

Etymology

New Latin, from Pleurosternum, type genus (from pleur- + sternum) + -idae

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