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August 1, 2025
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Mesozoic
Category:
Other
Updated:
21 Apr 2022
0
0
169
Contributors
Created by
Isaac Hung
Attachments
Comments
Pre Cambrian Era
By
Isaac Hung
21 Apr 2022
0
0
291
Paleozoic
By
Isaac Hung
21 Apr 2022
0
0
225
Cenozoic
By
Isaac Hung
21 Apr 2022
0
0
219
Events
First dinosaurs
First mammals
Mass Extinction Event (50% of species)
Pangaea breaks up
First birds
Atlantic Ocean opens between Eurasian and American plates.
First flowering plants
First snakes
First placental mammals
Chicxulub asteroid hits Earth, Dinosaurs extinct. Mass Extinction Event (76% of species)
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