How to use in-sentence of “oligocene”:
– The genus “Helix” is known from the Oligocene onwards.
– The fossils that have been found are the remains of ancient mammals, birds and reptiles of Oligocene and Miocene epochs.
– They ranged across Europe and Asia during the Eocene and Oligocene 5528 million years ago.
– As the earth cooled, it went from the Oligocene epoch, through the Miocene, and into the Pliocene.
– In Oligocene Africa, they were the dominant predatory group.
– This amber was deposited in the late Eocene and early Oligocene in a delta of a prehistoric river, in a shallow part of a marine basin.Wolfe A.P.
