1. From 63 million to 58 million years ago; appearance of birds and earliest mammals
   - Paleocene, Palaeocene [Brit, Cdn]

Type of: epoch

Part of: Tertiary, Tertiary period

Encyclopedia: Paleocene epoch

• abridger
• abridgment
• Afropavo congensis
• AFSPC
• aft
• after
• after a fashion
• after all
• after part
• after-hours
• after-school
• afterbirth
• afterburner
• aftercare
• afterdamp
• afterdeck
• aftereffect
• afterglow
• afterimage
• afterlife
• aftermarket
• aftermath
• aftermost
• afternoon
• afternoon tea