https://wikimd.org/index.php?action=history&feed=atom&title=TriassicTriassic - Revision history2026-04-25T14:51:39ZRevision history for this page on the wikiMediaWiki 1.44.2https://wikimd.org/index.php?title=Triassic&diff=5645513&oldid=prevPrab: CSV import2024-04-22T05:32:48Z<p>CSV import</p>
<p><b>New page</b></p><div>[[File:Stadtroda_Sandstein.jpg|Stadtroda Sandstein|thumb]] [[File:Obere_Schaumkalkbank_am_Altenberg_bei_Dörzbach_280308.jpg|Obere Schaumkalkbank am Altenberg bei Dörzbach 280308|thumb|left]] [[File:Kirnbergaufschluss.JPG|Kirnbergaufschluss|thumb|left]] [[File:230_Ma_plate_tectonic_reconstruction.png|230 Ma plate tectonic reconstruction|thumb]] [[File:Pangaea_(230_million_years_ago).png|Pangaea (230 million years ago)|thumb]] [[File:(1)Saunders_Quarry-1.jpg|(1)Saunders Quarry-1|thumb]] '''Triassic''' is a [[geologic period]] and [[system]] that spans 50.6 million years from the end of the [[Permian Period]] 251.9 million years ago (Mya), to the beginning of the [[Jurassic Period]] 201.3 Mya. The Triassic is the first period of the [[Mesozoic Era]], and is divided into three [[epochs]]: Early, Middle, and Late. Similarly, it is subdivided into the Lower, Middle, and Upper series. The period is marked by the recovery of the [[planet]] after the [[Permian–Triassic extinction event]], the deadliest mass extinction in Earth's history, which left the planet's [[biodiversity]] significantly reduced.<br />
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==Geology==<br />
The Triassic period saw the rise of significant geological formations, including the supercontinent [[Pangaea]], which was surrounded by the world ocean [[Panthalassa]]. The interior of Pangaea was arid, with vast deserts that left a record of [[red beds]] and evaporites. Throughout the Triassic, Pangaea began to rift apart, leading to the opening of the [[Atlantic Ocean]] and the formation of the [[Tethys Sea]], setting the stage for the [[Mesozoic]] world geography.<br />
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==Climate==<br />
The climate of the Triassic was generally hot and dry, with seasonal monsoons in areas. This climate facilitated the dominance of [[reptile]]s and the evolution of the first [[dinosaurs]], which would go on to dominate the planet in the subsequent Jurassic period. The end of the Triassic was marked by a significant climate shift and one of the [[Phanerozoic]]'s major [[extinction events]], which again altered the course of life on Earth.<br />
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==Flora and Fauna==<br />
The Triassic period was a time of transition in the history of life. The [[flora]] was dominated by gymnosperms, including conifers, cycads, and ginkgoes, which were well adapted to the dry climate. The period also saw the first appearance of many modern groups of insects.<br />
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In terms of [[fauna]], the Triassic was a period of recovery and diversification following the Permian-Triassic extinction. Early reptiles, including the ancestors of [[crocodiles]] and [[dinosaurs]], began to dominate the landscape. The oceans were populated by marine reptiles like [[ichthyosaurs]] and [[plesiosaurs]], as well as a variety of [[ammonite]]s and other invertebrates. The first true mammals also appeared during the Late Triassic, evolving from advanced cynodonts.<br />
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==End of the Triassic==<br />
The Triassic period ended with another mass extinction event, which is not as well understood as the one that ended the Permian. This event saw the extinction of many marine and terrestrial species and allowed dinosaurs to become the dominant terrestrial vertebrates in the Jurassic period.<br />
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==Legacy==<br />
The Triassic period is crucial for understanding the evolution of life on Earth, the movement of continents, and the changes in climate that have occurred over millions of years. It sets the stage for the rise of dinosaurs and the Mesozoic world that followed.<br />
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[[Category:Geologic periods]]<br />
[[Category:Triassic]]<br />
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