Fragmentary skull with associated postcrania, isolated teeth isolated postcrania, Carcharodontosaurus saharicus, or "shark-toothed reptile from the Sahara." A team of theUniversity of Chicago lead by paleontologist Paul Sereno discovered the skull of Carchorodontosaurus. 

With a length of about five feet, four inches, the skull rivals in size the largest known skull of Tyrannosaurus rex. The brain cavity of the newly found skull is well-preserved and only half the volume of that known for T. rex.