Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxagatizedwood and the surface has been

and the surface has been hand-polished to enhance the natural structure of the fossil

This piece is now displayed in a museum in Japan

with sizes ranging from pebble-sized to enormous chunks weighing more than 40 pounds

"Mars is there

originally attached to the Shuttle Program’s Fixed Service Structure of Launch Pad 39A at NASA's Kennedy Space Center

Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxagatizedwood and the surface has beenRare 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