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Dimetrodon Skeletons/Fossils

Dimetrodon is an extinct genus of non-mammalian synapsids that lived during the Cisuralian, around 295–272 million years ago. It is a member of the family Sphenacodontidae. The most prominent feature of Dimetrodon is the large neural spine sail on its back formed by elongated spines extending from the vertebrae.

Dimetrodon animatronic