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Fossils of forest rodents found in highland desert
Date:8/4/2011

udies of variation in modern relatives will also aid these studies.

Lastly, the investigators found fossils of Guiomys unica, a relative of the guinea pig. The species, estimated to be about the size of a large rabbit but proportioned like a cat, was previously found only in the Patagonia region of Argentina, well over 1,000 miles away.

The animal was likely a grass and leaf eater that frequented both open and more sheltered habitats, the researchers said.

The group is continuing to analyze other fossils it has found in this and other Bolivian sites. They plan to return to the field next year to continue searching for fossils and a clearer picture of the past.

"We're a step closer to pulling the whole fauna together," Croft said. "I fully expect we'll get some more new stuff in the next few years."


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Contact: Kevin Mayhood
kevin.mayhood@case.edu
216-368-4442
Case Western Reserve University
Source:Eurekalert  

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