panthalassa
1. At the end of the Permian period the earth's landmasses were configured into one supercontinent, Pangea, and a superocean, Panthalassa.
二叠纪末期,地球上的陆地合并成一块超级大洲,叫作盘古大陆,以及一个超级大海,叫作原始大洋。