Mesozoic - Wikipedia
网页The Mesozoic Era[3] is the era of Earth's geological history, lasting from about 252 to 66 million years ago, comprising the Triassic, Jurassic and Cretaceous Periods. It is characterized by the dominance of gymnosperms and of archosaurian reptiles, such as the dinosaurs; a hot greenhouse climate; and the tectonic break-up of Pangaea.
Mesozoic Era | Geology, Climate & Lifeforms | Britannica
网页2024年8月28日 · Mesozoic Era, second of Earth’s three major geologic eras of Phanerozoic time. Its name is derived from the Greek term for “middle life.” The Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era.
Mesozoic | U.S. Geological Survey - USGS.gov
网页Mesozoic (252-66 million years ago) means 'middle life' and this is the time of the dinosaurs. This era includes the Triassic, Jurassic, and Cretaceous Periods, names that may be familiar to you.
Mesozoic era: Age of the dinosaurs - Live Science
网页2022年7月28日 · The Mesozoic era began roughly around the time of the end-Permian extinction, which wiped out 96 percent of marine life and 70 percent of all terrestrial species on the planet.
Mesozoic Era summary | Britannica
网页Mesozoic Era, Second of the Earth’s three major geologic eras and the interval during which the continental landmasses as known today were separated from the supercontinents Laurasia and Gondwana by continental drift.
Mesozoic Era - the Geologic Time Scale - ThoughtCo
网页2018年1月29日 · After the Permian Extinction wiped out over 95% of ocean-dwelling species and 70% of land species, the new Mesozoic Era began about 250 million years ago. The first period of the era was called the Triassic Period. The first big change was seen in the types of plants that dominated the land.
The Mesozoic Era: The Age of Reptiles, Dinosaurs and Conifers
网页The Mesozoic Era is the geological period between 252 million and 66 million years ago and is subdivided into three epochs: the Triassic, Jurassic, and Cretaceous. The Mesozoic Era is often referred to as the Age of Reptiles because most dinosaurs lived there.
8.5: Mesozoic Era - Geosciences LibreTexts
网页2024年8月21日 · Following the Permian Mass Extinction, the Mesozoic (“middle life”) was from 252 million years ago to 66 million years ago. As Pangea started to break apart, mammals, birds, and flowering plants developed. The Mesozoic is probably best known as the age of reptiles, most notably, the dinosaurs.
The Mesozoic era - Australian Museum
网页The Mesozoic came to an abrupt end 66 million years ago in a dramatic extinction event. An estimated 70 per cent of plant and animal species perished. Many theories have been suggested for its cause.
Introduction to the Mesozoic Era - University of California …
网页Introduction to the Mesozoic Era. 248 to 65 Million Years Ago. The Mesozoic is divided into three time periods: the Triassic (245-208 Million Years Ago), the Jurassic (208-146 Million Years Ago), and the Cretaceous (146-65 Million Years Ago).. Mesozoic means "middle animals", and is the time during which the world fauna changed drastically from that …
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