Origin of the Turtle Shell Lies in Digging (IMAGE)
Caption
Life reconstruction of the early proto-turtle Eunotosaurus (foreground) burrowing into the sediments of a dried-out lake to escape the harsh environmental conditions in South Africa 260 million years ago; in the background, a herd of pareiasaurs of the genus Bradysaurus around a mudhole filled with puddles of water is visible.
Credit
Illustration: Andrey Atuchin
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