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The Triassic lasted around 50 million years, it started around 250 million years ago and ended around 200 million years ago.

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11y ago
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12y ago

Just before the beginning of the Triassic (the CT boundary).

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Q: When did the triassic extinction start?
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Related questions

How did the triassic-jurassic extinction event create diversification in dinosaurs?

Dinosaurs first appeared in the middle of the Triassic period. The extinction during the Triassic-Jurassic periods allowed dinosaurs to grow to mammoth proportions.


What were the 5 major extinction events in earth history?

They are the end-Ordovician extinction, end-Devonian extinction, end-Permian extinction, the Triassic extinction, end-Cretaceous extinction.


What signaled the end of the Paleozoic Era?

The Permian- Triassic extinction event was the greatest extinction on Earth. 95% of all organisms died during this time period, signaling the beginning of the Triassic.


How did the coelophysis die off?

The better Q is "What was the cause of the triassic mass-Extinction?"


How did coelophysis die off?

The better Q is "What was the cause of the triassic mass-Extinction?"


Did the thrinaxodon go extinct during the End Triassic extinction?

Thrinaxodon lived during the Triassic Period. They died out about 245 million years ago, at the end of the Olenekian portion of the Triassic period.


Did the cretaceous or permian extinction cause dinosaurs to become extinct?

No, as there was no Cretaceous-Permian extinction. There was the Permian-Triassic extinction, which ocurred before the dinosaurs appeared. Non-avian dinosaurs were wiped out in the Cretaceous-Paleogene extinction.


What is the name of the major extinction that preceded the Mesozoic era?

The Permian-Triassic extinction event. Also known as the P-Tr extinction or the Great Dying, where 96% of all life died out.


What are the extinction of animals in the very distant past?

There were five major extinction events in the past. They are called the Cretaceous-Tertiary (or K-T) extinction event, the late Devonian mass extinction, the Permian mass extinction, the Ordovician-Silurian mass extinction and the Triassic-Jurassic mass extinction event.


When did the triassic period take place?

The Triassic was from about 225 million to 190 million years ago. It is the first period of the Mesozoic ("middle life") Era.The Triassic Period is most commonly believed to have begun 251 million years ago and lasted until 199.6 million years ago.


When did organisms suffer the largest mass extinction known?

The most devastating mass extinction occurred in the Late Permian (~250 million years ago).


What accounts for the dinosaurs' rise to dominance at the start of the Jurassic Period?

At the beginning of the Triassic period, a mass extinction wiped out most large land animals. The remaining animals quickly evolved to fill the empty niches, and one line led to the earliest dinosaurs. Another, less severe, mass extinction at the end of the Triassic eliminated the animals that were significant competition to the dinosaurs. With these animals out of the way, dinosaurs quickly diversified to fill the empty niches.