The vast supercontinent of Pangaea dominated the globe during the Triassic, but in the latest Triassic (Rhaetian) and Early Jurassic it began to gradually rift into two separate landmasses: …

Sep 12, 2025 · Triassic Period, in geologic time, the first period of the Mesozoic Era. It began 252 million years ago, at the close of the Permian Period, and ended 201 million years ago, when it …

The Triassic was the first period of the Mesozoic Era. Discover what animals lived in the Triassic Period, which were the first dinosaurs and what prehistoric plants they lived alongside.

Apr 28, 2023 · During the Triassic, the first dinosaurs walked on the land, the first pterosaurs sailed through the skies, and the first ichthyosaurs and plesiosaurs swam in the oceans. The …

The Triassic period is an interval of about 51 million years defined on the geologic time scale as spanning roughly from 251 to 200 million years ago (mya).

Learn about the time period that took place 251 to 199 million years ago. The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history.

Oct 30, 2012 · Reptiles (Reptilia): The Triassic begins the Mesozoic Era, also known as the Age of Reptiles. Reptiles diversified tremendously during this Period, filling many of the empty …

It was at this time that the world-continent of Pangea existed, altering global climate and ocean circulation. The Triassic also follows the largest extinction event in the history of life, and so is …

Feb 11, 2014 · The Triassic period was the first period of the Mesozoic era and occurred between 251.9 million and 201.3 million years ago. It followed the great mass extinction at the end of …

Apr 7, 2014 · The vast supercontinent of Pangaea existed until the mid-Triassic, after which it began to gradually rift into two separate landmasses, Laurasia to the north and Gondwana to …