Fissurella nubecula
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Lepetellida
Family:	Fissurellidae
Genus:	Fissurella
Species:	F. nubecula
Binomial name
Fissurella nubecula (Linnaeus, 1758)
Synonyms
Fissurella cinnabrina Costa O.G., 1839 Fissurella lilacina Costa O.G., 1839 Fissurella mondelloensis de Gregorio, 1885 Fissurella nubecula var. elliptica Pallary, 1900 Fissurella philippii Requien, 1848 Fissurella viridis Costa O.G., 1839 Patella nubecula Linnaeus, 17588 Patella rosea Gmelin, 1791

Fissurella nubecula, common name the cloudy keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.^[1]

The size of the shell varies between 10 mm and 25 mm.

This species occurs in the Mediterranean Sea, in the Atlantic Ocean off the Canary Islands, West Africa and Angola.

• Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels. 50: pp. 180–213
• Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.). Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. [Shells and molluscs of Angola]. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp.
• Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
• Bernard, P.A. (Ed.) (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates pp.

Wikimedia Commons has media related to Fissurella nubecula.

• "Fissurella (Fissurella) nubecula". Gastropods.com. Retrieved 16 January 2019.
• Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata [10th revised edition], vol. 1: 824 pp. Laurentius Salvius: Holmiae
• Costa O. G. (1838-1873). Fauna del Regno di Napoli ossia enumerazione di tutti gli animali che abitano le diverse regioni di questo regno e le acque che le bagnano contenente la descrizione de nuovi o poco esattamente conosciuti con figure ricavate da originali viventi e dipinte al naturale. Animali molli. Napoli, Azzolino & Compagno.
• Requien E. (1848). Catalogue des Coquilles de l'Île de Corse. Seguin, Avignon v-xii, 13-10
• Gmelin J.F. (1791). Vermes. In: Gmelin J.F. (Ed.) Caroli a Linnaei Systema Naturae per Regna Tria Naturae, Ed. 13. Tome 1(6). G.E. Beer, Lipsiae [Leipzig]. pp. 3021-3910
• Pallary, P. (1900). Coquilles marines du littoral du département d'Oran. Journal de Conchyliologie. 48(3): 211-422