Tricolia speciosa
Shell of Tricolia speciosa (lectotype at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Phasianellidae
Genus:	Tricolia
Species:	T. speciosa
Binomial name
Tricolia speciosa (Mühlfeld, 1824)[1]
Synonyms[2]
Phasianella ferussaci Guerin 1829 Phasianella lymnaeoides Anton 1839 Phasianella speciosa var. albina Monterosato 1880 Phasianella speciosa var. atra Bucquoy, Dautzenberg & Dollfus 1884 Phasianella speciosa var. atrata Dautzenberg 1883 Phasianella speciosa var. aurea Dautzenberg 1882 Phasianella speciosa var. lactea Monterosato 1880 Phasianella speciosa var. maculata Monterosato 1880 Phasianella speciosa var. major Monterosato 1880 Phasianella speciosa var. normalis Monterosato 1880 Phasianella speciosa var. purpurea Dautzenberg 1883 Phasianella speciosa var. sanguinea Bucquoy, Dautzenberg & Dollfus 1884 Phasianella speciosa var. spirolineata Monterosato 1880 Phasianella speciosa var. viridis Monterosato 1880 Phasianella vieuxii Payraudeau, 1826 Tricolia nicaeensis Risso1826 Tricolia rentneri Nordsieck 1973 Tricolia rubra Risso1826 Tricolia speciosa var. seriopunctata Monterosato 1884 Tricolia speciosa var. virescens Monterosato 1884 Turbo speciosus Mühlfeld, 1824 Turbo vieuxi Payraudeau 1826

Tricolia speciosa, common name the Mediterranean pheasant, is a species of sea snail, a marine gastropod mollusk in the family Phasianellidae.^[2]

The height of the shell varies between 7 mm and 13 mm. The thin, shining shell has an ovate-elongate shape. It is white, with alternate red and white short flammules below the sutures, and several revolving series of white spots. The interstices are covered with fine pink or yellowish obliquely descending lines. The five, convex whorls are separated by deeply constricting sutures. The aperture is long-oval, and rather produced below. The posterior angle is occupied by a heavy callus.^[3]

This species occurs in the Mediterranean Sea and in the Adriatic Sea.

• Guérin, M.F.E.1829. Iconographie du règne animal de G. Cuvier: ou, représentation d'après nature de l'une des espèces les plus et souvent non encore figurées de chaque genre d'animaux: Paris, J.B. Baillière
• Nordsieck, F. (1973). Il genere Tricolia Risso, 1826 nei mari d'Europa. La Conchiglia. 55-56: 3-10.
• Gofas S. (1982). The genus Tricolia in the Eastern Atlantic and the Mediterranean. Journal of Molluscan Studies 48: 182–213
• 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

• CLEMAM
• "Tricolia speciosa speciosa". Gastropods.com. Retrieved 16 January 2019.
• Megerle von Mühlfeld J.C. (1824). Beschreibung einiger neuen Conchylien. Verhandlungen der Gesellschaft naturforschender Freunde zu Berlin. 1(4): 205-221, pl. 7-9
• Anton, H. E. (1838). Verzeichniss der Conchylien welche sich in der Sammlung von Herrmann Eduard Anton befinden. Herausgegeben von dem Besitzer. Halle: Anton. xvi + 110 pp
• Risso, A. (1826-1827). Histoire naturelle des principales productions de l'Europe Méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes. Paris, F.G. Levrault. 3(XVI): 1-480, 14 pls
• Payraudeau, B. C. (1826). Catalogue descriptif et méthodique des annelides et des mollusques de l'Ile de Corse; avec huit planches représentant quatre-vingt-huit espèces, dont soixante-huit nouvelles. 218 pp. Paris
• Bucquoy E., Dautzenberg P. & Dollfus G. (1882-1886). Les mollusques marins du Roussillon. Tome Ier. Gastropodes. Paris: Baillière & fils. 570 pp., 66 pls
• Monterosato, T. A. di. (1880). Notizie intorno ad alcune conchiglie delle coste d'Africa. Bullettino della Società Malacologica Italiana. 5 (11–15): 213–233
• Monterosato, T. A. di. (1884). Nomenclatura generica e specifica di alcune conchiglie mediterranee. Virzi, printed for the author, Palermo, 152 pp.
• Dautzenberg, Ph. (1883). Liste de coquilles du Golfe de Gabès. J. conchyliol. 31: 289-330
• 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