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Mesozoic Era 250-65million years ago
An interval of geological time from about 252 - 65 million years ago.
The Mesozoic Era is devided into three time periods;
Triassic, Jurassic, and Cretacious -
Triassic 225 million years ago
First period of the Mesozoic Era from 252 to 200 million yrs ago
The time that the world continent of Pangea existed
Hot, dry and desert like
First species: Coelophysis, Eoraptor -
Nyasasaurus: First Dinasour. 243 Million years old.
Found in Tanzania in 1930, but recently studied. -
Jurrassic - 199.6 million years ago
The second period; about 200 to 145 million yrs ago
Warm and Humid
Pangea broke up into two continents: Laurasia & Gondwana
T- rex, stegosaurs, etc -
Archaeopteryx: "First Bird" Lived 155-149 Million Years Ago
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Cretaceous - 145.5 - 65 million yeas ago
Warm due to volcanic activity
Sea levels began to rise
Laurasia & Gondwana broke up to the continents seen today -
First Ants: 80 million years ago
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T-Rex in North America: 68 million years ago
T-Rex was in the Cretaceous Era not in the Jurassic Era -
Cretaceous - Paleogen Extinction Event: 65 million years ago
Destroyed 3 quarters of life form
End of Cretaceous and Mesozoic Era
Beginning of Cenozoic Era (Present)
