Dimetrodon SOLD 0.72" Neural Spine Fragment allosaurus LAURASIA (AMMOLITE GEM)

LAURASIA (AMMOLITE GEM)

but some adventures are a little too exciting for some people

It was even capable of bipedal locomotion

This specimen is a fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

Dimetrodon SOLD 0.72" Neural Spine Fragment allosaurus LAURASIA (AMMOLITE GEM)Rare 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. 72" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail