Dinosaurs Timeline

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Animal Classification

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Classifying Animals

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Particles in the Atmosphere

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CHICKENPOX

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Dinosaurs Timeline

Cenozoic

66-1 Million Years Ago.

Dinosaurs came to an end after their extiction.

Paleogene, Neogene and Quaternary periods.

First humans appeared.

Mesozoic

251-66 Million Years Ago.

The Triassic, Jurassic and Cretaceous periods.

The first dinosaurs in the Triassic period and the first mammals and ocean-living reptiles and birds.

Described as the "Age of the Reptiles"

Late Paleozoic

450-250 Milion Years Ago.

Devonian, Carboniferous and Permian Periods.

First reptiles and amphibians.