Panthalassa was a hemisphere-sized ocean, much larger than the modern Pacific.
citation
Wikipedia contributors. (2023, September 5). Panthalassa. In
Wikipedia, The Free Encyclopedia
. Retrieved November 17, 2023, from
https://en.wikipedia.org/w/index.php?title=Panthalassa&oldid=1173991416
from
Panthalassa (Wikipedia)
tags
Panthalassa
Pacific Ocean