Oligocene - Wikipedia Major changes during the Oligocene included a global expansion of grasslands, and a regression of tropical broad leaf forests to the equatorial belt
Oligocene Epoch | Climate, Flora Fauna | Britannica The term Oligocene is derived from Greek and means the “epoch of few recent forms,” referring to the sparseness of the number of modern animals that originated during that time
Oligocene | Zoology | Research Starters - EBSCO The Oligocene epoch was a prehistoric period within the Cenozoic era that took place from about 34 to 23 million years ago The name Oligocene, which means "epoch of few recent life-forms," reflects the fact that the animals of the time underwent little significant evolution during this period
The Oligocene Epoch - University of California Museum of Paleontology The Oligocene Epoch, right smack in the middle of the Tertiary Period (and end of the Paleogene), lasted from about 33 9 to 23 million years ago * Although it lasted a "short" 11 million years, a number of major changes occurred during this time
Everything you need to know about the Oligocene - Meteorología en Red The Oligocene is also known as the Age of Mammals This is the group of animals that experienced the greatest diversification and variety during this period It is during this 11-million-year period that subdivisions of mammals, such as rodents and canids, appear
Oligocene - New World Encyclopedia The Oligocene epoch is a division of the geologic time scale and the third and final epoch of the Paleogene period It extends from about 34 million to 23 million years before the present The Oligocene follows the Eocene epoch and is followed by the Miocene epoch
Oligocene - AntWiki The Oligocene is the third and final epoch of the Paleogene Period The Oligocene is often considered an important time of transition, a link between the archaic world of the tropical Eocene and the more modern ecosystems of the Miocene
Oligocene Epoch - Geology Page The Oligocene is the third and final epoch of the Paleogene period The Oligocene is often considered an important time of transition, a link between the archaic world of the tropical Eocene and the more modern ecosystems of the Miocene
Oligocene - an overview | ScienceDirect Topics The Oligocene is defined as a geological epoch spanning from approximately 34 to 23 million years ago, characterized by two recognized stages: the Early Oligocene (Rupelian) and the Late Oligocene (Chattian)
Oligocene | Perissodactyl - American Museum of Natural History The Oligocene is an important transition from the Eocene, which in many respects was very like the world inhabited by the last of the dinosaurs, to the more recognizably modern world of the Miocene The beginning of the Oligocene is marked by a sudden decrease in earth's temperature