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Turtles of the World: A Guide To Every Family–A Book Review by a Turtle Lover

10,000 Birds

It’s useful to remember the names of the two suborders of Testudines (the reptile order that includes all turtles): Cryptodira (turtles that retract their heads vertically and sea turtles–most of the turtles in the world) and Pleurodirans (turtles that retract their heads sideways).

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