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Giant Flying Squirrel Soared Through The North American Skies Nearly 5 Million Years AgoNorth America has had a longer history of flying squirrels than any other part of the world. The first known specimens date back to the Late Eocene era (56 to 33.9 million years ago). They then ...
Recently, paleontologists Dr. John-Paul Zonneveld, Dr. Sarah Naone, and Dr. Brooks Britt described the discovery and classification of four new ichnotaxa (fossilized trace taxa) from the Eocene ...
E. D. Cope, struck by the remarkable fact that the molar teeth, both upper and lower, of all the mammals from the Puerco or lowest Eocene horizon of North America carry three cusps arranged in ...
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