Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks were well positioned to inherit oceans now cleared of competitors. Yet for ...

Now, evidence suggests that some of these spiral-shaped species did manage to persist after all. Recent analysis of ammonite ...

We here describe the first partial cranium of Hyaenodon leptorhynchus, the type species of the taxonomically diverse and widely distributed hypercarnivorous genus Hyaenodon (Hyaenodonta). The cranium ...

Rain gauges did not exist millions of years ago. Instead, researchers turn to indirect clues left behind in rocks, soils, and ...

To understand how global warming could influence future climate, scientists look to the Paleogene Period that began 66 ...

A new study has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period -- ...

The Paleogene Santa Rosa local fauna: introduction / Kenneth E. Campbell, Jr. -- The Paleogene Santa Rosa local fauna of Amazonian Peru / Kenneth E. Campbell, Jr., Carl David Frailey, Lidia ...

Dinoflagellates are an important component of Antarctic coastal and sea ice communities but comprise only a relatively minor component of Southern Ocean oceanic phytoplankton assemblages. However, ...