During the Late Jurassic Epoch, Pangaea broke up into two supercontinents, Laurasia to the north, and Gondwana to the south.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/continents/laurasia/laurasia.md
The vast supercontinent of Pangaea dominated the globe during the Triassic, but in the following Jurassic period it began to gradually rift into two separate landmasses, Laurasia to the north and Gondwana to the south.
The genus Ginkgo diversified and spread throughout Laurasia during the Jurassic and Early Cretaceous.