The Jurassic (/ dʒʊˈræsɪk / juurr-ASS-ik[2]) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period 201.4 Ma (million years ago) to the beginning of the Cretaceous …

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 …

Aug 18, 2025 · The Jurassic is a geologic period that took place about 201.3 million years to 145 million years ago and constitutes the middle part of the Mesozoic era. The Jurassic period was named after …

Apr 27, 2023 · 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 …

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.

Oct 3, 2012 · Dinosaurs grow larger, with the largest saurichians appearing in the Upper Jurassic. The other main dinosaur group, the ornithicians, makes their first appearance in the Jurassic. The first …

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 …

Apr 16, 2013 · 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 began as a large extinction took place at the end of the Triassic period, approximately 208-200 ma, and later extended to 144 million years ago, roughly 64 ma to 56 ma total.

Oct 20, 2023 · When Did the Jurassic Period Occur? This period occurred between 145.5 and 196.6 million years ago. It is the middle of three eras of the Mesozoic era which occurred between 66 and …