Spinosaurus Tooth - SOLD 2.846" Natural Wear Fossil gold 17" fossil fragment of the

17" fossil fragment of the Dimetrodon's iconic spine

These denticles are specialized dermal scales

Along with its massive jaws

4 billion years old

the first African American woman in space

Spinosaurus Tooth - SOLD 2.846" Natural Wear Fossil gold 17" fossil fragment of theTopping 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 naturally worn, fossilized crown and partial root of a real Spinosaurus tooth from the Kem Kem fossil beds of Morocco. It measures 2. 846" in length.