パンサラッサ

noun

Panthalassa

Proper noun referring to the vast global ocean that surrounded the supercontinent Pangaea during the late Paleozoic and early Mesozoic eras.

• パンサラッサは、約やく2億ごく5000万まん年ねん前まえに存そん在ざいした巨きょ大だいな海うみです。

  Panthalassa was a huge ocean that existed about 250 million years ago.