Bahariasaurus Dinosaur Fossil Tooth Cretaceous Period, 145-65 million years B.P. A Bahariasaurus ingens fossil dinosaur tooth; held in a white card collector's tray. 9 grams, 52 mm length (16 grams total, 52 x 51 mm including tray) (2 in. (2 x 2 in.)). Tegana formation of the Sahara Desert, Morocco, North Africa. Acquired 1980s. Old Bristol collection. Bahariasaurus ingens was a mid-sized carnivore.