Calliostoma aculeatum

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Calliostoma aculeatum
C. aculeatum aliguayensis.jpg
Apertural view of a shell of Calliostoma aculeatum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Trochoidea
Family: Calliostomatidae
Subfamily: Calliostomatinae
Genus: Calliostoma
Species: C. aculeatum
Binomial name
Calliostoma aculeatum
G.B. Sowerby III, 1912
  • Calliostoma aculeatum aculeatum Sowerby III, 1912
  • Calliostoma aculeatum aliguayensis Poppe, Tagaro & Dekker, 2006
  • Calliostoma (Calliostoma) aculeatum Sowerby III, 1912
  • Calliostoma (Tristichotrochus) aculeatum aculeatum (Sowerby, G.B. III, 1912)

Calliostoma aculeatum, common name the prickly Japanese top shell, is a species of medium-sized deepwater sea snail, a marine gastropod mollusk in the family Calliostomatidae.[1]

Shell description[edit]

The shell is conical, with straight spire outlines, and six whorls. The external shell coloration is light brown, with darker brown irregular flecks. The shell height is up to 22 mm, and the width is up to 15 mm.[2]


This marine species lives off the Philippines. It is found off Aliguay Island, Mindanao. It lives at depths of about 100 m on muddy sand bottoms.[2] It also occurs off southern Japan and Taiwan.


  1. ^ a b Calliostoma aculeatum G.B. Sowerby III, 1912.  Retrieved through: World Register of Marine Species on 22 April 2010.
  2. ^ a b Poppe G. T., Tagaro S. P. & Dekker H. (2006). The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands, Conchbooks, Germany, Hackenheim, ISBN 3-925919-80-5
  • Petit R.E. (2009) George Brettingham Sowerby, I, II & III: their conchological publications and molluscan taxa. Zootaxa 2189: 1–218
  • Bouchet, P.; Fontaine, B. (2009). List of new marine species described between 2002-2006. Census of Marine Life.
  • Poppe, Guido T. (; Tagaro, Sheila P.; Dekker, Henk. 2006. Visaya Supplement: Supplement 2 Pages: 3-228

External links[edit]