Dimetrodon SOLD 0.68" Neural Spine Fragment americanhistory Columbia University Press

Columbia University Press

It comes from the lunar meteorite NWA 5000 which originated on the light colored highlands of the Moon

This specimen is a fragment of a Woolly Mammoth fossilized tooth that was recovered from the bottom of the North Sea

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Dimetrodon SOLD 0.68" Neural Spine Fragment americanhistory Columbia University PressRare 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