Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxacrylic 82" fossil fragment of the

82" fossil fragment of the Dimetrodon's iconic spine

" International Journal of Astrobiology

Above: Luis (left) and Walter Alvarez at the K-Pg Boundary in Gubbio

and oversaw the execution of the project

I thought they were joking

Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxacrylic 82" fossil fragment of theRare 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