Carnivorous dinosaur tooth Carcharodontosaurus Saharicus, Morocco, Cretaceous (100 million years old), h. 9.5 cm

Note: Although not part of the same family as the T-Rex, Carcharodontosaurus is often referred to as "African T-Rex". It is estimated that it was up to 13 metres long and weighed more than 8 tonnes. It is one of the largest terrestrial carnivores that has ever existed.