Dimetrodon 0.90" Neural Spine Fragment therapod The middle of the 2nd

The middle of the 2nd millennium BCE witnessed an explosion of faience production in Egypt

Spread across more than 90 million years of the fossil record

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Dimetrodon 0.90" Neural Spine Fragment therapod The middle of the 2ndRare Permian Material! If all fossils are out of stock, sign up for email notifications as we do expect to get more over time. With a fearsome jaw and reptilian appearance, Dimetrodon is often mistaken for a dinosaur. However, this family of Early Permian Age species falls into a disparate taxonomic clade known as Synapsids which includes Mammals. This specimen is a 0. 90" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail