Authentic real fossil tooth from a late Cretaceous age dinosaur known as Spinosaurus or "spine lizard" that lived about 100 to 70 million years ago. 

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Spinosaurus may be the largest of all known carnivorous dinosaurs, even larger than Tyrannosaurus and Giganotosarurs growing to 60 feet and weighing up to 22 tons.The distinctive spines , which were long extensions of the vertebrae, grew to at least 5 1/2 feet long and were likely to have had skin connecting them, forming a sail-like structure,Spino was a meat eating giant dinosaur that lived on the flesh of other weaker animals and needed a jaw and tooth structure to accommodate crunching up meat and bone hence the variety of teeth surviving today as fossils.Shipping is free in the US main by USPS first class.