Acteon monterosatoi is a species of sea snail, a marine gastropod mollusc in the family Acteonidae.
Description The length of the shell varies between 2 mm and 6 mm.
The broad shell is ovate-elongated. The spire is conoid. The shell contains five convex whorls. They are transversely sculptured throughout with punctate striae. The body whorl is obese. The aperture is pear-shaped. The columella is straight, hardly folded. The outer lip is arcuate. The color of the shell is dull white.G.W. Tryon, (1893) - Manual of conchology, structural and systematic : with illustrations of the species ser;1 vol. 15; Philadelphia, Published by the Author, Academy of Natural Sciences, 1879-1898
Distribution This marine species occurs in the Atlantic Ocean off Portugal, the Azores and Cape Verde; in the Mediterranean Sea off Spain, Italy and Morocco.
References
Cunha C.M. (2011) A new species of Acteon (Opisthobranchia: Acteonidae) from Northeast Brazil. Zoologia 28(2): 229–232.
External links Dautzenberg, P. (1889). Contribution à la faune malacologique des Iles Açores. Resultats des dragages effectués par le yacht l'Hirondelle pendant sa campagne scientifique de 1887. Révision des mollusques marins des Açores. Résultats des Campagnes Scientifiques Accomplies sur son Yacht par Albert Ier Prince Souverain de Monaco, I. Imprimerie de Monaco. 112 pp.; IV plates Gofas, S.; Luque, Á. A.; Templado, J.; Salas, C. (2017). A national checklist of marine Mollusca in Spanish waters. Scientia Marina. 81(2) : 241-254, and supplementary online material 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 Smriglio C. & Mariottini P. (1996) Central Tyrrhenian sea Mollusca: XI. Description of Callostracon tyrrhenicum sp. nov. (Gastropoda, Acteonidae) and remarks on other Mediterranean species of the family. Basteria 60(4-6): 183-193.