Fraiser with Fossil Record of Bivalves (IMAGE)

University of Wisconsin - Milwaukee

Fraiser with Fossil Record of Bivalves

Caption

Margaret Fraiser, UW-Milwaukee assistant professor of geosciences, shows fossils of the few survivors of the Permian-Triassic mass extinction, the most severe in Earth's history.

Credit

Alan Magayne-Roshak, UW-Milwaukee

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