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Contact: Andrea Gibson
gibsona@ohio.edu
740-597-2166
Ohio University

Fossil Slab

Caption: This slab of rock contains fossils of invasive species that populated the continent of Laurentia 450 million years ago after a major ecological shift occurred. Ohio University geologists found that rising mountains and cooling oceans prompted the spread of these invasive species.

Credit: Alycia Stigall

Usage Restrictions: Please credit Alycia Stigall.

Related news release: Rising mountains, cooling oceans prompted spread of invasive species 450 million years ago


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