It is the first epoch of the Paleogene Period in the modern Cenozoic Era. The name comes from Ancient Greek παλαιός (palaiós), meaning "old", and καινός (kainós), meaning "new", …

Paleocene Epoch, first major worldwide division of rocks and time of the Paleogene Period, spanning the interval between 66 million and 56 million years ago. The Paleocene Epoch was …

The Paleocene is a geologic epoch that lasted from 65.5 ± 0.3 million years ago (mya) to 55.8 ± 0.2 mya. It is the first epoch of the Paleogene period in the modern Cenozoic era, and is …

Apr 27, 2023 · The initial epoch of the Paleogene Period and the Cenozoic Era is the Paleocene Epoch, which marks the first subdivision of geologic time after the extinction of the dinosaurs …

The Paleocene epoch immediately followed the extinction of the dinosaurs. The Earth's climate was warmer than today, but cooler and drier than the epochs immediately preceding and …

The Paleocene, or Palaeocene, is a geological epoch that lasted from about 66 to 56 Ma. It is the first epoch of the Paleogene Period in the modern Cenozoic Era...

The chart at left shows the major subdivisions of the Paleogene, the first portion of the Tertiary Period, including the Paleocene Epoch. You may click anywhere on the other Epochs or on …

The Paleocene-Eocene Thermal Maximum (PETM) at 56 million years before present is arguably the best ancient analog of modern climate change.

Global temperatures rose at least 5°C (9°F), and the PETM warmth lasted 200,000 years before the Earth system was able to remove the extra CO2 from the atmosphere. The Paleocene was …

Sep 8, 2025 · The Paleocene epoch, while not as well-known as the dinosaur-dominated Mesozoic era that preceded it, was a critical period in Earth’s history. It was a time of recovery …