Dimetrodon SOLD 1.55" Neural Spine Fragment theropod such as a hooked beak

such as a hooked beak or talons

A certificate of authenticity is also included for display purposes

a 12-megaton explosion leveled 80 million trees over an area of 830 square miles (2

This is a genuine segment of superconducting cable from the LHC's magnet system — the lifeblood of the collider's high-energy particle beams

these fossil snails are estimated to number in the billions

Dimetrodon SOLD 1.55" Neural Spine Fragment theropod such as a hooked beakRare 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. 55" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail