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Million Years Ago

As the Paleozoic era continues, we see the first appearance of  land creatures, such as mites, ammonites, crabs, ground insects, and spiders.
Towards the end of the Devonian period, amphibians began to colonize the land.  The first ferns also grew and true seed plants eventually emerged. The Devonian period also saw many new groups of fish evolve.


Precambrian period
Cambrian period
Ordovician period
Silurian period
Devonian period
Carboniferous period
Permian period, Dimetrodon
Triassic dinosaur
Jurassic dinosaur pictures
Cretaceous dinosaur pictures
Tertiary prehistoric animals
Quaternary prehistoric animals



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