Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxagatizedwood Among space collectors

Among space collectors

Fragment - A fragment of vertebra roughly 5mm is diameter

with sizes ranging from pebble-sized to enormous chunks weighing more than 40 pounds

One of the most malleable materials known to man

our ancestors have been entranced by our lunar neighbor

Dimetrodon SOLD 1.12" Neural Spine Fragment rockinaboxagatizedwood Among space collectorsRare 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