Dimetrodon 1.09" Neural Spine Fragment pins As fossilization occurs over a

As fossilization occurs over a very long timespan

brother of the famous fossil-hunter Mary Anning

Crinoid Fossil "Star Stick"

Please note: This specimen cannot be returned or exchanged

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Dimetrodon 1.09" Neural Spine Fragment pins As fossilization occurs over aRare 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 1. 09" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail