Glossopteris is an extinct plant were found in 250 million years old rocks, these were located in India,Antarctica, Australia, and Africa. and now , these continents separated by huge oceans,since it is very impossible le for the large seeds to be blown by wind or carried by waves, so there is only a possibility that the continents were once connected before, and this very huge landmass is called Pangea and surrounded by very huge ocean called Panthalassa.