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Scientists Discover That Turtles Began Living in Shells Much Earlier Than Once Thought

By A Mystery Man Writer

Unique among Earth’s creatures, turtles are the only animals to form a shell on the outside of their bodies through a fusion of modified ribs, vertebrae and shoulder girdle bones. The turtle shell is a unique modification, and how and when it originated has fascinated and confounded biologists for more than two centuries.

Scientists Discover That Turtles Began Living in Shells Much Earlier Than Once Thought

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Scientists Discover That Turtles Began Living in Shells Much Earlier Than Once Thought

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