Jurassic - Wikipedia
The Jurassic (/ dʒ ʊ ˈ r æ s ɪ k / juurr-ASS-ik [2]) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period 201.4 million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. The Jurassic constitutes the middle period of the Mesozoic Era as well as the eighth period of ...
Jurassic Period | Climate, Plants, Animals, & Facts | Britannica
2025年1月16日 · Jurassic Period, second of three periods of the Mesozoic Era. Extending from 201.3 million to 145 million years ago, the Jurassic was a time of global change in the continents, oceanographic patterns, and biological systems. On land, dinosaurs and flying pterosaurs dominated, and birds made their first appearance.
Jurassic Period Information and Facts | National Geographic
The Jurassic period (199.6 million to 145.5 million years ago) was characterized by a warm, wet climate that gave rise to lush vegetation and abundant life. Many new dinosaurs emerged—in great ...
侏罗纪（中生代的第二个纪）_百度百科
侏罗纪（Jurassic）是一个地质年代，界于三叠纪和白垩纪之间，约公元前1亿9960万年（误差值为60万年）到1亿4550万年（误差值为400万年）。 侏罗纪是中生代的第二个纪，开始于三叠纪-侏罗纪灭绝事件。
The Jurassic Period: How did dinosaurs go from basal to bulky?
The Jurassic is a geological period that began 201.4 million years ago and ended 145 million years ago. It’s part of the Mesozoic Era – the part of our planet’s prehistory known as the age of the dinosaurs. The Jurassic Period is named after the Jura Mountains, a mountain range that stretches along the France-Switzerland border.
Jurassic Period summary | Britannica
Jurassic Period, Interval of geologic time, 201.3–145 million years ago, that is one of the three major divisions of the Mesozoic Era. It was preceded by the Triassic Period and followed by the Cretaceous. During the Jurassic, Pangea began to break up into the present-day continents.
Jurassic Period Facts: Dinosaurs, Mammals, Plants - Live Science
2013年4月16日 · The Jurassic period was the second segment of the Mesozoic era. It occurred from 201.3 million to 145 million years ago, following the Triassic period and preceding the Cretaceous period....
The Jurassic Period - University of California Museum of …
This was the Jurassic Period, 199.6 to 145.5 million years ago* — a 54-million-year chunk of the Mesozoic Era. Named for the Jura Mountains on the border between France and Switzerland, where rocks of this age were first studied, the Jurassic has become a household word with the success of the movie Jurassic Park .
Jurassic Period—201.3 to 145.0 MYA - U.S. National Park Service
The Jurassic Period was a golden time for dinosaurs, which flourished for 180 million years. Huge sauropod herbivores (such as 87-foot [27-meter] long Diplodocus ) and carnivores (such as 35-foot [11-meter] long Allosaurus ) emerged.
Jurassic Period - Geology, Fossils, Climate | Britannica
2025年1月16日 · The Jurassic Period is divided into three epochs: Early Jurassic (201.3 million to 174.1 million years ago), Middle Jurassic (174.1 million to 163.5 million years ago), and Late Jurassic (163.5 million to 145 million years ago). (These intervals are sometimes referred to as the Lias, Dogger, and Malm, respectively.)