Spinosaurus

Spinosaurus aegyptiacus is a genus of carnivorous theropods that lived about 97 million years ago. It is the biggest known carnivore to ever walk the face of the earth.

Discovery and Naming
The holotype of Spinosaurus, BSP 1915, was discovered in autumn 1912 by German collector Richard Markgraf in service of the Bavarian acadamie of science. It was discribed by German paleontologist Ernst Freiherr Stromer von Reichenbach on november 6 1915.

Description
The remains of Spinosaurus are to fragmented to form an accurate immage of the animal. However, a comparison with related species can help us to reconstruct how it may have looked like. It was about 18-19 meters long, the was about 1,75 meters long, the spinae were about 167 centimeters long in the holotype.