Tethys (gastropod)
Tethys is a genus of sea slugs, nudibranchs, marine gastropod mollusks in the family Tethydidae.Species
;Synonyms:
- Tethys : synonym of Aplysia Linnaeus, 1767
- Tethys morio Verrill, 1901: synonym of Aplysia morio
- Tethys capensis O'Donoghue, 1929: synonym of Aplysia juliana Quoy & Gaimard, 1832
- Tethys cornigera Macri, 1816: synonym of Tethys fimbria Linnaeus, 1767
- Tethys extraordinaria Allan, 1932: synonym of Aplysia extraordinaria
- Tethys fimbriata: synonym of Tethys fimbria Linnaeus, 1767
- Tethys floridensis Pilsbry, 1895: synonym of Aplysia fasciata]] Poiret, 1789
- Tethys hirasei Baba, 1936: synonym of Aplysia oculifera A. Adams & Reeve, 1850
- Tethys leporina Linnaeus, 1758: synonym of Tethys fimbria Linnaeus, 1767
- Tethys panamensis Pilsbry, 1895: synonym of Aplysia dactylomela Rang, 1828
- Tethys parthenopeia Macri, 1816: synonym of Tethys fimbria Linnaeus, 1767
- Tethys peasei Tryon, 1895: synonym of [Aplysia peasei
- Tethys pilsbryi Letson, [1898 accepted as Aplysia pilsbryi
- Tethys polyphylla Macri, 1816: synonym of Tethys fimbria Linnaeus, 1767
- Tethys pulmonica : synonym of [[Aplysia pulmonica Gould, 1852
- Tethys robertsi Pilsbry, 1895: synonym of Aplysia robertsi
- Tethys willcoxi : synonym of Aplysia fasciata Poiret, 1789
