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Specimen: Otodus obliquus Shark Tooth Necklace

Age: Devonian

Location Found: Morocco

Orthoceras, meaning “Straight Horn”, was a cephalopod that lived more than 400 million years ago. Its name refers to the characteristic long, straight, conical shell these possessed. The soft body lived in the last open-ended segment at the large end of the conical shell, the preserved fossilised shell is all that remains.