Spinosaurus Tooth - SOLD 2.713" Natural Wear Fossil rockinaboxromanglassfragment also known as NASA 831

also known as NASA 831

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and O-rings: inside the space shuttle challenger disaster

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They range in size from 3cm to 5cm in diameter

Spinosaurus Tooth - SOLD 2.713" Natural Wear Fossil rockinaboxromanglassfragment also known as NASA 831Topping 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. 713" in length.