Dimetrodon SOLD 0.68" Neural Spine Fragment phylloceras "Ceramic insulation/multifoil composite for thermal

"Ceramic insulation/multifoil composite for thermal protection of reentry spacecraft

More about Petrified Wood

one of several in our collection

The shark wrestles the seal beneath the waves

The specimens were identified as pallasites

Dimetrodon SOLD 0.68" Neural Spine Fragment phylloceras "Ceramic insulation/multifoil composite for thermalRare 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. 68" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail