Eocene rocks of Wyoming, and Miocene rocks of Colorado, Nebraska, and Wyoming. Robinson also expanded the collection internationally, adding Miocene faunas from Tunisia and late Pliocene fossils from ...

North America has had flying squirrels longer than any other part of the world, with the earliest known fossils dating back as far as the Late Eocene era ... during the Pliocene and Pleistocene ...

In the Middle to Late Eocene, North America ... T.E. Stable isotopes in fossil hominin tooth enamel suggest a fundamental dietary shift in the Pliocene. Philosophical Transactions of the Royal ...

Bennett: So these Eocene fossils from about 50 million years ago are really cool. They’re telling us a lot about a shallow lakeshore environment [and] the combination of all of these traces ...