Dimetrodon SOLD 0.65" Neural Spine Fragment noAUNZ lost these cusplets and developed

lost these cusplets and developed serrated teeth

were the primary armor of the phytosaurs

64" sample of Red Planet Obsidian set into a sterling silver bezel

To keep the meteorite rust-free

Nuclear Arms Race (Trident 1 C4 Missile)

Dimetrodon SOLD 0.65" Neural Spine Fragment noAUNZ lost these cusplets and developedRare 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. 65" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail