Cretaceous Period, 145-65 million years B.P. A large dinosaur tooth from Carcharodontosaurus saharicus (African T-Rex), serration clearly visible and some good enamel. 34 grams, 73 mm (3 in."). Tegana formation, Sahara Desert, Morocco. Acquired during the 1980s. From an old Lincolnshire, UK, collection. Carcharodontosaurus saharicus, often known as the African T-Rex, was one of the largest predators of all time; it was larger than its distant North American T-Rex cousin, and related to allosaurus and the South American giganotosaurus.Condition Report: Fine condition.