Dimetrodon 1.22" Neural Spine Fragment rockinaboxgastrolith The display includes an information

The display includes an information card with a centerline die-cut square matching the dimensions of the acrylic cube

The Space Shuttle Challenger (OV-099) was the second of the space shuttles in the program to enter orbit

834" in length

making each necklace absolutely unique

(NASA Image EC82-21135 July 4

Dimetrodon 1.22" Neural Spine Fragment rockinaboxgastrolith The display includes an informationRare 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. 22" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail