Spinosaurus is a genus of very large semi-aquatic theropod dinosaur in the family Spinosauridae. Its fossils are found in northern Africa. This dinosaur originally lived between 99 and 93.5 million years ago in the Cenomanian and Turonian stages of the Cretaceous period. There are two known species of Spinosaurus, S. aegyptiacus (found in Egypt) and S. moroccanus (from Morocco).
