Pelycosaur

The pelycosaurs were smallish to large (up to 3 meters or more) primitive Late Paleozoic synapsid reptiles.

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Origin of Life

They appeared during the Late Carboniferous and reached their acme in the early part of the Permian, remaining the dominant land animals for many millions of years.

A few stragglers continued into the late Permian.

For more information about the topic Pelycosaur, read the full article at Wikipedia.org, or see the following related articles:

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