Prognathodon currii is a species of mosasaur, a large marine reptile that lived during the Late Cretaceous period, approximately 70-66 million years ago. Mosasaurs were apex predators of the seas, known for their streamlined bodies and powerful jaws filled with sharp teeth. P. currii is one of the many species within the diverse family of mosasaurs. Fossils of P. currii have been found in various locations around the world, including Morocco, North America, and Europe. These fossils provide valuable insights into the anatomy, behavior, and ecology of these fascinating creatures that once ruled the ancient oceans.