Ancient & Marvelous Turtles

Turtles are old species. How old? They existed before mammals, birds, crocodiles and lizards... some say even before the dinosaurs themselves, well into the Triassic period (more info). They survived Triassic–Jurassic and Cretaceous–Tertiary extinctions (while also learning to retract their heads into shells) and are holding their own very nic

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