hands holding bottle and applicator over fossil

Tooth Fossils Fill 6-Million-Year-Old Gap in Primate Evolution

UNLV geoscientist, student among international research team behind discovery of ancient monkey species that lived in Africa 22 million years ago.

UNLV geoscientist Terry Spell and former master's student Dawn Reynoso are part of a research team that discovered primitive monkey teeth in Kenya. The fossils were determined to belong to a previously undiscovered species — filling a 6-million-year void in primate evolution. (Courtesy of Terry Spell)

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