Dimetrodon 1.22" Neural Spine Fragment rockinaboxgastrolith (NASA Image EC82-21135 July 4

(NASA Image EC82-21135 July 4

recovered from the Skull Creek Quarry in Colorado

RAW GOLD NUGGET

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

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

Dimetrodon 1.22" Neural Spine Fragment rockinaboxgastrolith (NASA Image EC82-21135 July 4Rare 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