Spinosaurus Sail

Topping out at just over 18m long (59ft), Spinosaurus is one of the largest carnivorous dinosaurs ever discovered. This family of giant theropods also happens to be among the most surprising creatures in the fossil record.

This specimen is a piece of a fossil Spinosaurus neural spine from the Kem Kem fossil beds of Morocco. It comes complete with an informational card that serves as statement of authenticity.