Dimetrodon 1.19" Neural Spine Fragment rockinaboxquartzpendant fossilized Spinosaurus tooth from the

fossilized Spinosaurus tooth from the Kem Kem fossil beds of Morocco

opals have held the attention of humans for many thousands of years

452" piece of Dolomite from Duck Creek

Each specimen ships in its very own glass-topped riker display case and includes authenticity and mission information

378" in length

Dimetrodon 1.19" Neural Spine Fragment rockinaboxquartzpendant fossilized Spinosaurus tooth from 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. 19" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail