Paleogene - Wikipedia
网页The Paleogene Period (IPA: / ˈ p eɪ l i. ə dʒ iː n,-l i. oʊ-, ˈ p æ l i-/ PAY-lee-ə-jeen, -lee-oh-, PAL-ee-; also spelled Palaeogene or Palæogene) is a geologic period and system that spans 43 million years from the end of the Cretaceous Period 66 Ma (million years ago) to the beginning of the Neogene Period 23.03 Ma.
Paleogene Period | Climate Change, Mammal Evolution & Mass …
网页2024年9月7日 · Paleogene Period, oldest of the three stratigraphic divisions of the Cenozoic Era spanning the interval between 66 million and 23 million years ago. Paleogene is Greek meaning “ancient-born” and includes the Paleocene (Palaeocene) Epoch (66 million to 56 million years ago), the Eocene Epoch (56.
Paläogen – Wikipedia
网页Das Paläogen (von altgriechisch παλαιός palaiós, deutsch ‚alt‘ und γένος génos ‚Abstammung, Zeitalter‘) ist das unterste chronostratigraphische System und die älteste geochronologische Periode des Känozoikums und dauerte von vor etwa 66 Millionen Jahren bis zum Beginn des Neogens vor etwa 23,03 Millionen Jahren.
Paleogene Period and Cenozoic Era Information - National …
网页Paleogene Period. Learn about the time period that took place 65 to 23 million years ago. 3 min read. At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs, pterosaurs, and...
Paleogene Period - Natural History Museum
网页2012年10月30日 · The Paleogene sees the rapid filling of the environment following the K/T extinction, though it took more than two million years for the Earth’s ecosystems to recover from this event. On land primitive mammals and birds began to spread rapidly.
Paleogene Period—66.0 to 23.0 MYA - U.S. National Park Service
网页2023年4月27日 · The Paleogene Period is the first of three periods in the Cenozoic Era. The Paleogene represents less than 1% of geologic time; however, the rocks of this period were deposited quite recently and are, therefore, at or near Earth’s surface.
Prehistoric Life During the Paleogene Period - ThoughtCo
网页2019年1月31日 · The Paleogene was the first period of the Cenozoic Era (65 million years ago to the present), followed by the Neogene period (23-2.6 million years ago), and is itself divided into three important epochs: the Paleocene (65-56 million years ago), the Eocene (56-34 million years ago) and the Oligocene (34-23 million years ago).
Paleocene Epoch | Climate Change, Geochronology & Fossils
网页Paleocene Epoch, first major worldwide division of rocks and time of the Paleogene Period, spanning the interval between 66 million and 56 million years ago. The Paleocene Epoch was preceded by the Cretaceous Period and was followed by the Eocene Epoch.
Paleogene - New World Encyclopedia
网页The Paleogene (alternatively Palaeogene) period is an interval of about 42 million years defined on the geologic timescale as spanning roughly from 65 to 23 million years ago (mya) and being most notable as the time in which mammals became very diversified and dominant after the great Cretaceous-Tertiary extinction event killed an estimated 76% ...
Paleogene Climates - SpringerLink
网页The Paleogene (from 65 to 23 million years ago) marked the global transition from “greenhouse” climates that had persisted from the Mesozoic to the modern “icehouse” world with glaciers on the poles.