Dimetrodon SOLD 1.55" Neural Spine Fragment theropod A certificate of authenticity is

A certificate of authenticity is also included for display purposes

It is estimated to be over 75

Artisans began using clay molds to work with the material

a 12-megaton explosion leveled 80 million trees over an area of 830 square miles (2

997" and comes from Chevrolet's St

Dimetrodon SOLD 1.55" Neural Spine Fragment theropod A certificate of authenticity isRare 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. 55" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail