In this important study, the authors reconstruct the evolutionary history of a large and widespread group of freshwater fishes (Nemacheilidae) across Eurasia since the early Eocene, based on molecular ...

In this valuable study, the authors attempt to reconstruct the evolutionary history of a large and widespread group of freshwater fishes (Nemacheilidae) across Eurasia since the early Eocene, based on ...

As the climate shifted over millions of years, so did the routes and volumes of meltwater flowing beneath the ice. During a period known as the Eocene-Oligocene Boundary, 34 million years ago, long ...

These enormous Oligocene animals known as Indricotherium originated in Asia. The enormous Oligocene animals known as Indricotherium originated in Asia. It was a relative of modern rhinos but was ...

The Amphicyonidae family consistently displayed species that weighed around 200 pounds throughout the Oligocene, with the genus Paradaphoenus estimated to weigh around 4 pounds at most. A lower jaw ...

T he end of the Eocene (~33.9 million years ago) was a rough time for many species. It was a period marked by global cooling and drops in sea level, and in Eurasia, these global environmental impacts ...