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The end of the Silurian period and the beginning of the Devonian period was not defined by an extinction event, but by the distinctive rock formations of the period. As a result the end of the Silurian period is uncertain by +/- 2.8 million years.
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∙ 13y ago
Wiki User
∙ 15y agoAlmost every geologic period ends with some sort of extinction event. There is some evidence for this happening at the end of the Jurassic, although not by any means a major extinction event (unless it was your species that became extinct!).
Wiki User
∙ 11y agoit ended by a comet that failed to stop , and hit the area, and ended the lives of any plants and animals living in that period. read by:sciencechannel
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What ended the Jurassic time period?
the dinosaurs envoled
Why was Jurassic period called Jurassic period?
The Jurassic period is named for the Jura Mountains in Europe. The limestone in those mountains dates to the Jurassic.
How was the cretaceous period different from the Jurassic period?
The Pangaea split is the difference between the Cretaceous period and the Jurassic period. The split took place in the Jurassic period.
What came after the Jurassic period?
Cretaceous period.
What period came first Jurassic cretaceous or triassic?
jurassic The Triassic was the earliest period of the Mesozoic, followed by the Jurassic then the Cretaceous. The Cretaceous was of the greatest duration.
What ended Jurassic time period?
the dinosaurs envoled
What ended the Jurassic time period?
the dinosaurs envoled
How long ago did the Jurassic period end?
The Jurassic period ended 145+/- 4 million years ago. It took place between the Triassic period and the Cretaceous period.
Is there a Mass extinction in the Jurassic period?
There was a minor extinction event at the end of the Jurassic period. It was probably caused by global climate change. Dinosaurs like Allosaurus, Ceratosaurus, Camarasaurus, and Stegosaurus couldn't adapt to the change in temperature, so they all died out. The Cretaceous period then came after the Jurassic period had ended.
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.
Why was Jurassic period called Jurassic period?
The Jurassic period is named for the Jura Mountains in Europe. The limestone in those mountains dates to the Jurassic.
What period was named after the jura mountains?
Jurassic period
What Geological Period preceded the Jurassic Period?
after Jurrasic period it is the Cretaceous period
What was the atmosphere like during the Jurassic period?
in the Jurassic period the atmosphere was about 14.7. in the Jurassic period the atmosphere was about 14.7.
What period was the middle Jurassic period in?
The Middle Jurassic Epoch (175.6 - 161.2Ma) was in the Jurassic Period (199.6 - 145.5Ma).
How long has it been since the Jurassic period?
The Jurassic period extended from 200 million BCE to 146 million years BCE. It lasted 54 million years.
How was the cretaceous period different from the Jurassic period?
The Pangaea split is the difference between the Cretaceous period and the Jurassic period. The split took place in the Jurassic period.
