Dimetrodon 0.81" Neural Spine Fragment rockinaboxgembonependant 000 years ago and some

000 years ago and some species still exist to this day

This specimen is a fragment of North Pole Dome Stromatolite from Dresser Formation in Western Australia

Above: A fossilized Hyracodon skeleton in the Los Angeles Natural History Museum (Source: Dawn Pedersen/Flickr)

LIMITED AVAILABILITY: Each vial is made by hand

Authentic 1969 Woodstock stage wood

Dimetrodon 0.81" Neural Spine Fragment rockinaboxgembonependant 000 years ago and someRare 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 0. 81" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail