Cymbium olla, commonly known as the Algarve volute, is a species of sea snail, a marine gastropod mollusc in the family Volutidae, the volutes. The fermented and dried flesh, called ‘’yeet’’ has a pungent smell, and is used in the Senegalese traditional Thieboudienne.

  • Lowe R.T. (1861). A list of shells observed or collected at Mogador and in its immediate environs, during a few days' visit to the place, in April 1859. Proceedings of the Zoological Society of London 1860: 169-204
  • Pallary, P., 1930. Révision du genre Yetus. Annales du Musée d'Histoire Naturelle de Marseille 22(3): 53–77
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213.
  • Bail, P.; Poppe, G.T. (2001). A conchological iconography: a taxonomic introduction of the recent Volutidae. ConchBooks, Hackenheim. 30 pp, 5 pl.

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