From Wikipedia, the free encyclopedia
Tethys can refer to:
- Tethys (mythology), a Titaness in Greek mythology
- Tethys (moon), a natural satellite of Saturn
- Tethys Ocean, a Mesozoic-era ocean between the continents of Gondwana and Laurasia
- Tethys (gastropod), genus of gastropods in the family Tethydidae
See also 
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