Dimetrodon SOLD 1.55" Neural Spine Fragment phytosaur-scute They had short tails with

They had short tails with venomous stingers and likely fed on small bottom dwellers like its modern-day counterparts

This specimen is a 125-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

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

10mm lava rock beads

Dimetrodon SOLD 1.55" Neural Spine Fragment phytosaur-scute They had short tails withRare 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