Science
Researchers find new species, evidence of early primates during late Cretaceous Period – Daily Californian
In 2003, Greg Wilson Mantilla was examining fossils from Hell Creek, Montana, ultimately resulting in the identification of a new species, Purgatorius mckeeveri….

In 2003, Greg Wilson Mantilla, who at the time was a Doctor of Philosophy candidate at UC Berkeley, was examining fossils from excavations in Hell Creek, Montana, which had been directed by his advisor William Clemens. Initially labeled as mammal, the fossils had slipped past careful study.
At that time, no one was studying them, so they were just put in a drawer and they werent identified, Wilson Mantilla, now a professor in the department of biology and a curator of vertebrate paleontology at…
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