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Q: How many species lived during the triassic period 225 million years ago?
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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.


Which was earlier the Triassic or Jurassic Period?

The Triassic Period occurred before the Jurassic Period. The Triassic Period lasted from about 251 million to 201 million years ago, while the Jurassic Period followed, lasting from about 201 million to 145 million years ago.


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.


What came after the triassic period?

After the Triassic period, the Jurassic period followed. The Jurassic period lasted from approximately 201 to 145 million years ago and was characterized by the dominance of dinosaurs, the evolution of new species, and the breakup of the supercontinent Pangaea.


Which came first the Jurassic or Triassic period of geologic time?

The Triassic period came before the Jurassic period in geologic time. The Triassic period lasted from around 251 million to 201 million years ago, followed by the Jurassic period, which lasted from around 201 million to 145 million years ago.


What time period did triassic period exist?

The Triassic period started 252.2 million years ago and ended 201.3 million years ago. It was the first period of the Mesozoic era.


What is a Triassic rock?

It is a rock that has been identified as having been created during the triassic geoligic period approximately 200 to 250 million years old


Did the dinosaurs die in the triassic period?

Dinosaurs originated in Triassic period 230 million years ago and went extinct in the Cretaceous period i.e. 65 million years ago.


When did the turasic period end?

The Triassic Period ended 201.3 million years ago. It was the period in which the first dinosaurs evolved. The Triassic was followed by the Jurassic period.


Was 250 million years before Dinosaurs?

yes the first dinos appeared 230mya during the late triassic period


A timeline of when the dinosaurs where alive?

Dinosaurs have been alive in the Mesozoic Era. The Mesozoic Era consist of three time periods the Triassic, Jurassic, and Cretaceous. The Triassic is the oldest part of the Mesozoic Era. The Cretaceous is the youngest part of the Mesozoic Era. The Triassic period had started 227 million years ago and ended 22 million years later. When the Triassic period ended the Jurassic period started. The Jurassic period started 205 million years ago and ended 61 million years later. After the Jurassic period came the Cretaceous period. The Cretaceous period started 144 million years ago and ended 79 million years later. The dinosaurs have been alive ever since the beginning of the Triassic period and are still alive today. But the dinosaurs that are alive to this day are the evolve creatures of those in the past.


What period did the first dinosaur's appear in?

Dinosaurs first appeared in the Triassic Period, which lasted from about 251 to 201 million years ago. They evolved from earlier reptiles and eventually became the dominant land animals during the Mesozoic Era.