Gondwana included most of the landmasses in today 's Southern Hemisphere , including Antarctica , South America , Africa , Madagascar and the Australian continent , as well as the Arabian Peninsula and the Indian subcontinent , which have now moved entirely into the Northern Hemisphere .
It included most of the landmasses in today 's southern hemisphere , including Antarctica , South America , Africa , Madagascar , Australia-New Guinea , and New Zealand , as well as Arabia and the Indian subcontinent , which have now moved entirely into the Northern Hemisphere .