Dimetrodon SOLD 1.55" Neural Spine Fragment pieceofeight At the bottom of the

At the bottom of the sea floor

the US Government also authorized annual payments of nearly $2M per year to help fund the development

Eventually

The specimen comes with a small acrylic stand for display

Dimetrodon SOLD 1.55" Neural Spine Fragment pieceofeight At the bottom of theRare 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