A 60-million-year-old fossil initially speculated to be either a Cretaceous metatherian or an Eocene metatherian turned out ...

During the early Paleocene, about 66 to 56 million years ago, a species of small mammal known as Mixodectes pungens inhabited western North America. It was first discovered more than 140 years ago ...

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history.

Learn more about the discovery of a giant possum in Big Bend National Park and how it’s connected to early primate evolution.

Kristen Miller, lead author of the study and a doctoral student at KU’s Biodiversity Institute, analyzed the Texan fossils to ...

The fossils, found at Big Bend National Park in Texas, belong to a group of ancient near-marsupials from the Paleocene period ...

The scientists discovered a new species of ancient near-marsupials, or Swaindelphys, while analyzing fossils from Texas’ Big Bend National Park, according to a news release from KU. The 800,000 acre ...

This group Euarchonta was made up of primates and colugos, but not treeshrews. “While the study doesn’t entirely resolve the debate over where mixodectids belong on the evolutionary tree, it ...

Some species shrank to as much as 30% of their original size during the Paleocene-Eocene Thermal Maximum. The oldest known primate, Teilhardina, could fit into the palm of a human hand.

Paleontologists have found fossilized remains of a giant possum-like mammal that lived 60 million years ago. The fossils, found at Big Bend National Park in Texas, belong to a group of ancient ...