Ancient Mammal <em>Lystrosaurus</em> (IMAGE)

American Association for the Advancement of Science (AAAS)

Ancient Mammal <em>Lystrosaurus</em>

Caption

The ancient mammal Lystrosaurus, a survivor of the Permian-Triassic mass extinction, is shown standing on the shore of a lake in the Karoo Basin of South Africa.

Credit

[Credit: Marlene Donnelly]

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