Dimetrodon SOLD 1.55" Neural Spine Fragment phytosaur-scute These enormous fish were likely

These enormous fish were likely warm-blooded

Above: Fossilized in mid-swallow from Paleontology of the Green River Formation

"The Philosopher takes pleasure in the contemplation of the nature of these compounds while the miner takes pleasure in the profit and use he obtains from the metals he extracts from them

10mm lava rock beads

Dimetrodon SOLD 1.55" Neural Spine Fragment phytosaur-scute These enormous fish were likelyRare 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