Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxacrylic I thought they were joking

I thought they were joking

This bundle is perfect for any Mom in any universe

This specimen is a fragment of Tyrannosaurus rex bone

Glass like this is formed from the intense heat melting sediments and is scientifically known as a tektite

Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxacrylic I thought they were jokingRare 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. 12" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail