Dimetrodon SOLD 1.02" Neural Spine Fragment mosasaur Above: Extra Large and Large

Above: Extra Large and Large Polished Megalodon Teeth in Hand

Atlantis orbited Earth 4

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This specimen is a complete 85

418" piece of fossilized Raptor Bone from the Hell Creek formation

Dimetrodon SOLD 1.02" Neural Spine Fragment mosasaur Above: Extra Large and LargeRare 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