My girlfriend Ashley and I set out to some good river bank sites we can hunt when the water is too high! I wasn't expecting a lot, but we ended up having a great hunt with some really killer finds. We ...

That was the fate of the earliest-known horse, Sifrhippus sandrae (or its jaw bone, at least). It started out at around 5.4 kilograms (12 pounds) but during the Paleocene-Eocene Thermal Maximum ...

Right at the Paleocene-Eocene boundary a dramatic shift in the ... Hoofed running animals, the ancestors of horses and deer, showed up in the Bighorn. A little bit later, perhaps as the climate ...

Dawn Horse lived in a much hotter world than ours: the tropical Eocene. Giant fern trees grew in Canada’s Arctic and grass had yet to evolve. These ancestor horses clambered through dense ...

The Eocene, from 56 million to 34 million years ... and flesh still visible in the surrounding rock. Primitive opossums, horses the size of fox terriers, an anteater, eight bat species and a ...

Clark’s primary work focused on the Eocene Green River Formation in Utah and the Eocene/Oligocene White River Group in South Dakota and Colorado. His most notable contribution is a complete skeleton ...

This is a reconstruction of the early Eocene (52 million-year-old) fauna that inhabited the rainforest around a northern British Colombia lake. The tapiroid Heptodon drinks in the shallows ...