Palaeocene epoch

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Related to Paleocene epoch: Oligocene epoch, Pleistocene epoch, Miocene epoch

Palaeocene epoch

the first epoch in the TERTIARY PERIOD lasting from 65 to 54 million years ago. see GEOLOGICAL TIME. This was the time of the explosive evolution of placental mammals; marine reptiles such as ichthyosaurs, mesosaurs and plesiosaurs and the last of the large land dinosaurs became extinct at the end of the CRETACEOUS PERIOD.
References in periodicals archive ?
The fossils are from the Paleocene epoch, which occurred in the 5- to 7-million-year period following the massive extinction event responsible for the demise of the dinosaurs.
That sharp dip marks those strata as coming from an 80,000-year stretch when the Paleocene epoch gave way to the Eocene.
The transition from the Paleocene epoch to the Eocene was marked by a rise in average temperatures of 4 [degrees] to 8 [degrees] C in just 10,000 to 20,000 years.