Calliostoma nudum
Shell of Calliostoma nudum (syntype at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Calliostomatidae
Subfamily:	Calliostomatinae
Genus:	Calliostoma
Species:	C. nudum
Binomial name
Calliostoma nudum (Philippi, 1845)[1]
Synonyms
Calliostoma dozei Mabille & Rochebrune, 1889 Calliostoma falklandicum Strebel, 1908 Calliostoma flavidocarneum Strebel, 1905 Calliostoma hahni Rochebrune & Mabille, 1889 Calliostoma kophameli Strebel, 1905 Calliostoma optimum Rochebrune & Mabille, 1889 Calliostoma roseocinctum Strebel, 1905 Calliostoma senius Mabille & Rochebrune, 1889 Calliostoma venustulum Strebel, 1908 Trochus nudus Philippi, 1845 (original combination)

Calliostoma nudum is a species of sea snail, a marine gastropod mollusc in the family Calliostomatidae.^[2]

The size of the shell varies between 6 mm and 16 mm.

This marine species occurs off Argentina, Tierra del Fuego, Straits of Magellan, and Chile.

• Rochebrune, A.-T. and J. Mabille. 1889. Mollusques. Mission Scientifique du Cap Horn. 1882-1883 6: H.1-H.129, pls. 1-8
• Strebel, H. 1905. Beiträge zur Kenntnis der Molluskenfauna der Magalhaen-Provinz. II. Die Trochiden. Zoologische Jahrbücher, Supplement 8: 121–166, pl. 5
• Strebel, H. 1908. Die Gastropoden (mit Ausnahme de nackten Opisthobranchier). Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition 1901-1903 6(1): 111 pp., 6 pls.

Wikimedia Commons has media related to Calliostoma nudum.

• Encyclopedia of Life
• World Register of Marine Species
• Gastropods.com: Calliostoma nuda (sic.)