Illustration of a pair of suchomimus dinosaurs. This bipedal spinosaurid dinosaur is known from fossils discovered in the Sahara in 1998. The fossils date from the middle part of the Cretaceous period, 110 to 120 million years ago. This dinosaur, around 12 metres in length, was a predator and scavenger, feeding on fish and carrion. Its elongated mouth was similar to that of a crocodile. It more famous cousin, spinosaurus, was considerably larger. Both may have spent much if not most of their time in water, like modern crocodilians.