There is a period of time that ends at the beginning of the Neogene Period Mya called Paleogene.
The Paleogene -LRB- -LSB- pronˈpæliːədʒiːn -RSB- or -LSB- ˈpeɪliːədʒiːn -RSB- also spelled Palaeogene or Palæogene ; informally Lower Tertiary -RRB- is a geologic period and system that spans 43 million years from the end of the Cretaceous Period million years ago -LRB- Mya -RRB- to the beginning of the Neogene Period Mya.
A geologic period is one of several subdivisions of geologic time enabling cross-referencing of rocks and geologic events from place to place.
