Tertiary+Period

11th -starts the Cenozoic era -ended with many glaciers at the poles and glaciers covering mountains -started about 1.64 million years ago Age of Mammals and lasted more than 63 million years [|This is where i found my information]



~ Many modern type of birds, reptiles, amphibains, fishes and invertebrates were numerous in the begginging of this time period.



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