Divisaderan

The Divisaderan age is a South American land mammal age, covering a period of geologic time (42.0–36.0 Ma) within the Middle and Late Eocene epochs of the Paleogene. It follows the Mustersan age and is followed by the Tinguirirican age.
Etymology.
The age is named after the Divisadero Largo Formation of Divisadero Largo, Mendoza, Argentina.