Dimetrodon 0.90" Neural Spine Fragment therapod each jewelry piece comes in

each jewelry piece comes in a decorative box and includes a small information card about the specimen

Every earring contains a complete geode

technical diagrams

Above: Luis (left) and Walter Alvarez at the K-Pg Boundary in Gubbio

Examinations of petrified wood left from such trees indicate they would have lived during the late Triassic period

Dimetrodon 0.90" Neural Spine Fragment therapod each jewelry piece comes inRare 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. 90" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail