historic ocean
class of all Earth oceans that no longer exist
Iapetus Ocean
historic ocean
Sundance Sea
inland sea that existed in North America during the mid-to-late Jurassic Period of the Mesozoic Era
Bridge River Ocean
ancient ocean between North America and the Insular Islands during the Mesozoic
Valais Ocean
Subducted ocean. Remnants found in the Alps in the North Penninic nappes.
Ural Ocean
small, ancient ocean between Siberia and Baltica; formed in the Late Ordovician epoch; began to shrink in the Devonian Period and became a seaway
Poseidon Ocean
supposed ocean that existed in the Mesoproterozoic period
Central American Seaway
body of water that once separated North America from South America
Pan-African Ocean
historic ocean
Lunar magma ocean
according to the giant impact hypothesis, the molten magma that once covered large parts of the Moon as a result of the large amount of energy liberated during the formation of the Moon
Boreal Sea
Mesozoic-era seaway that lay along the northern border of Laurasia
Slide Mountain Ocean
ancient ocean that existed between the Intermontane Islands and North America
Western Interior Seaway
large inland sea during the mid- to late Cretaceous and the very early Paleogene; split North America into Laramidia and Appalachia; stretched from the Gulf of Mexico to the Arctic Ocean; at its largest, it was 760 m deep, 970 km wide, 3200 km long
Pannonian Sea
shallow ancient sea located where the Pannonian Basin in Central Europe is today
Tornquist Sea
sea between the palaeocontinents Avalonia and Baltica about 600 to 450 million years ago