Earliest primate had tree-climber ankles | Science News

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Earliest primate had tree-climber ankles

A creature known only from fossils of its teeth gets some more parts

By
5:58pm, October 23, 2012

RALEIGH, N.C. — Finally, the earliest known primate has more than a mouth. Several 65-million-year-old fossil ankle bones found among unsorted bits from excavations in Montana belong to a tree-dwelling species of Purgatorius, Stephen Chester of Yale University announced October 19 at the annual meeting of the Society of Vertebrate Paleontology.

The first signs that Purgatorius existed came from fossil teeth unearthed nearly half a century ago at an excavation site in northeastern Montana not far from where the first Tyrannosaurus rex was found. Paleontologists named two species of what they cal

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