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Dinosaurs were thought to have evolved about 230 million years ago. Traditionally they are thought to become extinct 65.5 million years ago in the K-T Extinction event but recent findings have lead scientist to start to consider birds as avian dinosaurs so one could say dinosaurs never ended.
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∙ 14y ago
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∙ 11y agoThe Mesozoic era began roughly 250 million years ago, and ended 65 million years ago. (This Era ended because of the K.T. extinction)
Wiki User
∙ 10y agoit starded between 248 and 65 millions years ago
and it ended 65 million years ago
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∙ 13y agoThe Jurassic is the middle period of the Mesozoic. It began with the Hettangian stage 199.6 million years ago. It ended with the Tithonian 145.5 million years ago.
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What do you call what you end up with at the end of a chemical reaction?
In any chemical equation you start with reactants and end up with products.
What years did the paleozoic era start and end?
in the 2019
What are tectonic plate and where do they start and end?
Just finished this unit in 6th grade science :) Plate tectonics means that the plates are in slow, constant movement. There is no start and end.
When did the earthquake in Haiti start and end?
Leogane -InsaneGamerTron Check out my youtube!
Where does the silk road start and end?
It started in china and ended in Europe.
Who was the first person that joined Twitter?
the dinosaures
What dinosaures had big ears and spit?
none
What actors and actresses appeared in Les dinosaures pleurent aussi - 2012?
The cast of Les dinosaures pleurent aussi - 2012 includes: Galder Arriaga
What are the release dates for Les dinosaures pleurent aussi - 2012?
Les dinosaures pleurent aussi - 2012 was released on: USA: August 2012 (Columbia Gorge International Film Festival)
What is ancient bones that turned to stone?
Fossi... I mean dinosaures! ROAR!
What are the first ever species of dinosaures to live on earth?
Coelophysis,Pterosaure and Technosaures.
And the end f what era did all the dinosaures die?
The dinosaurs evolved at the beginning of the Mesozoic. All non avian dinosaurs died out 65.5. million years ago at the end of the Mesozoic. However, birds, which are a group of dinosaurs, are still alive and well.
Can dinosaures be born again?
ya they are so awesome no they eat meat. haha vegeterians
Arugments against how the dinosaures were killed?
Meteors hit earth,holes have been found
Were the gobi desert dinosaures commonly killed by sandstorms?
scientists aren't sure but it is a possibility.
Why do dinosaures hate to dance?
because they cant cause there arms are too small and legs too long
Are the minmi dinosaurs still alive?
dinosaures do not exist, if you think they do you watch well to much jurassic park
