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sponges are the earliest complex lifeforms on the planet
Recovered from Miocene epoch deposits in Peru
The Gem Medley collection is a variety of our gemstone specimens
the San Andreas Fault
Across its history
Dimetrodon 0.86" Neural Spine Fragment availablesoon sponges are the earliest complexRare 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. 86" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail
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