Ancient oceans

Bridge River Ocean: the ocean between the ancient Insular Islands and North America.

Iapetus Ocean: the southern hemisphere ocean between Baltica and Avalonia.

Panthalassa: the vast world ocean that surrounded the Pangaea supercontinent.

Rheic Ocean

Slide Mountain Ocean: the ocean between the ancient Intermontane Islands and North America.

Tethys Ocean: the ocean between the ancient continents of Gondwana and Laurasia.

Khanty Ocean: the ocean between Baltica and Siberia.

Mirovia: the ocean that surrounded the Rodinia supercontinent.

Paleo-Tethys Ocean: the ocean between Gondwana and the Hunic terranes.

Proto-Tethys Ocean

Pan-African Ocean the ocean that surrounded the Pannotia supercontinent.

Superocean: the ocean that surrounds a global supercontinent.

Ural Ocean: the ocean between Siberia and Baltica.