Dimetrodon SOLD 1.02" Neural Spine Fragment rockinaboxplant isolated from each other by

isolated from each other by mutual gravitational perturbations

amber has been mined from seams of lignite interbedded with clay and shale

ceratopsians

Please Note: Sizing on this specimen refers to the amber itself

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Dimetrodon SOLD 1.02" Neural Spine Fragment rockinaboxplant isolated from each other byRare 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. 02" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail