Dimetrodon SOLD 1.02" Neural Spine Fragment rockinaboxplant is one of the most

is one of the most celebrated and iconic bridges in the world

amber has been mined from seams of lignite interbedded with clay and shale

Canis dirus - The jaw portion of the very popular Dire Wolf skull turned into a necklace on its own

isolated from each other by mutual gravitational perturbations

the fossil record displays a diverse collection of animals from reptiles to the earliest known dinosaurs

Dimetrodon SOLD 1.02" Neural Spine Fragment rockinaboxplant is one of the mostRare 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. 02" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail