Panthalassa

(redirected from Panthalassa Ocean)

Panthalassa

[‚pan·thə′las·ə]
(geology)
The hypothetical proto-ocean surrounding Pangea, supposed by some geologists to have combined all the oceans or areas of oceanic crust of the earth at an early time in the geologic past.
References in periodicals archive ?
The Panthalassa Ocean covered two-thirds of the globe, while a single continent called Pangaea stretched from the North to the South pole.