Dimetrodon 0.81" Neural Spine Fragment rockinaboxmanhattan We've used this piece of

We've used this piece of equipment in so many environments and we've yet to replace one

93 million years ago

Over 5000 people in 68 countries helped make this project possible

using age-old lost wax casting techniques

Three fantastic fossils for one discounted price

Dimetrodon 0.81" Neural Spine Fragment rockinaboxmanhattan We've used this piece ofRare 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. 81" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail