Dimetrodon SOLD 1.37" Neural Spine Fragment plants their organic material is slowly

their organic material is slowly replaced with colorful minerals

A small information card is included with each specimen that also serves as the certificate of authenticity

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For fans of Jurassic Park

The specimen ships in a sturdy shipping carton

Dimetrodon SOLD 1.37" Neural Spine Fragment plants their organic material is slowlyRare 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. 37" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail