List of ancient oceans

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This is a list of former oceans that disappeared due to tectonic movements and other geographical and climatic changes. In alphabetic order:

See also[edit]

  • Paratethys – A large shallow sea that stretched from the region north of the Alps over Central Europe to the Aral Sea in Central Asia
  • Piemont-Liguria Ocean – A former piece of oceanic crust that is seen as part of the Tethys Ocean
  • Superocean – An ocean that surrounds a supercontinent, an ocean that surrounds a global supercontinent
  • Valais Ocean – Subducted ocean basin. Remnants found in the Alps in the North Penninic nappes.