The Late Jurassic is divided into three ages , which correspond with the three ( faunal ) stages of Upper Jurassic rock : During the Late Jurassic epoch , Pangaea broke up into two supercontinents , Laurasia to the north , and Gondwana to the south .
During the Upper Jurassic epoch , Pangaea broke up into two supercontinents , Laurasia to the north , and Gondwana to the south .