What is a very large marine turtle (Thalassochelys caretta, or caouana), common in the warmer parts of the Atlantic Ocean, from Brazil to Cape Cod; -- called also logger-headed turtle called?

loggerhead — (Zoöl.) A very large marine turtle (Thalassochelys caretta, or caouana), common in the warmer parts of the Atlantic Ocean, from Brazil to Cape Cod; -- called also logger-headed turtle. (Webster's 1913.)

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