Dimetrodon 1.19" Neural Spine Fragment rockinaboxquartzpendant isolated from each other by

isolated from each other by mutual gravitational perturbations

with vertebrae over 5 inches in diameter

fossilized Spinosaurus tooth from the Kem Kem fossil beds of Morocco

Each tooth's root is sealed in sterling silver

Dimetrodon 1.19" Neural Spine Fragment rockinaboxquartzpendant isolated from each other byRare 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