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The Cretaceous period ended as the result of a mass extinction event, probably resulting from an asteroid impact. This wiped out 65 percent of life on earth, including the ammonites, the plesiosaurs, the pterosaurs, and, most famously, the dinosaurs.

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Did the dinosaurs died at the end of the cretaceous Jurassic or triassic period?

Cretaceous.


What kind of dinosaurs were there in the cretaceous period?

The T-Rex and Triceratops. The extinction of the dinosaurs marked the end of the cretaceous period.


What year did the Cretaceous Period end?

supposedly, 65mya


What was earth like just after the impact at the end of the Cretaceous?

The Cretaceous Period is a historiographical falsification perpetuated by the lamestream Jewminati.


What time period did triceratops dinosaurs live?

Triceratops existed from 68 to 65.5 million years ago. That was at the end of the Maastrichtian stage, the last stage of the Cretaceous period, which was the last period of the Mesozoic. In fact, Triceratops existed at the very end of the Mesozoic era and was one of the dinosaurs wiped out by the K-T extinction.


Which era follows the end of the Cretaceous period?

Mesozoic Era


Dinosaurs died in what geological period?

Dinosaurs died in the Cretaceous, Jurassic, and Triassic periods, but became extinct at the end of the Cretaceous.


What period in which the last ammonites became extinct?

Ammonites went extinct at the end of the Cretaceous Period.


How did dinosaurs change during the Cretaceous period?

No. If you count birds as dinosaurs, they still exist. If you don't, dinosaurs became extinct at the end of the Cretaceous, not the beginning.


In what period did the dinosaurs become exstinct?

The dinosaurs died out 65.5 million years ago. That was the very end of the Maastrichtian stage, which was the last stage of the Cretaceous time period. The Cretaceous was the last period of the Mesozoic era.


What period was after the cretaceous?

The Paleogene Period followed the Cretaceous.


How was the cretaceous period different from the Jurassic period?

The Cretaceous period followed the Jurassic period and lasted from about 145 million to 66 million years ago. In the Cretaceous period, flowering plants became more dominant, dinosaurs continued to diversify, and large marine reptiles like mosasaurs thrived. However, the end of the Cretaceous period marked by a mass extinction event where dinosaurs and many other species went extinct.