20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail wholesale-10 Above: The largest window weighs

Above: The largest window weighs 1

not the insect fossilized within

29 specimen version

This material also featured in the Age of Dinosaurs collection

making it an excellent choice for collectors and space enthusiasts who want to own or share a piece of history at a great price

20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail wholesale-10 Above: The largest window weighsONE OF A KIND PERMIAN MATERIAL! 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 one of a kind, 20. 2", full dorsal Dimetrodon fossil vertebra. The purpose of the spine sail is unknown, though speculation ranges from thermoregulation to sexual dimorphism, and