Dimetrodon SOLD 0.70" Neural Spine Fragment rockinaboxcoprolite This pendant contains a 1

This pendant contains a 1

Leaves a lustrous shine that resists fogging

These reefs were like undersea forests

This specimen is a polished slab of Atlasaurus bone

For more details about the glass and the Manhattan Project please visit our long-form article "Nothing Would Ever Be the Same: Notes from the Mini Museum

Dimetrodon SOLD 0.70" Neural Spine Fragment rockinaboxcoprolite This pendant contains a 1Rare 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. 70" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail