paleocene

• Nom propre désignant une époque géologique s'étendant d'environ 66 à 56 millions d'années avant le présent, caractérisée par l'apparition des oiseaux et des premiers mammifères.

A proper noun referring to a geological epoch that lasted from about 66 to 56 million years ago, characterized by the appearance of birds and the earliest mammals.

indénombrable · nom propre

1. Geological epochC2formalscientific

   The earliest epoch of the Paleogene Period, spanning from about 66 to 56 million years ago, following the extinction of the dinosaurs and marked by the appearance of birds and the earliest mammals.

   Paléocène

   • The Paleocene epoch saw the rapid diversification of mammals after the dinosaurs vanished.
   • Fossils from the Paleocene provide key insights into early bird evolution.
   • During the Paleocene, the Earth's climate was generally warm and tropical.