20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail wholesale-10 with a Review of the

with a Review of the Fish Fauna

Above: K-Pg Boundary Material

” Geosciences

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

This specimen ships in a sturdy box and includes an individual certificate of authenticity

20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail wholesale-10 with a Review of theONE 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