Tristichotrochus aculeatus
shell of Tristichotrochus aculeatus aliguayensis (paratype at MNHN, Paris)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Calliostomatidae
Genus: Tristichotrochus
Species:
T. aculeatus
Binomial name
Tristichotrochus aculeatus
Synonyms[1]
  • Calliostoma aculeatum aculeatum G.B. Sowerby III, 1912
  • Calliostoma (Calliostoma) aculeatum G.B. Sowerby III, 1912
  • Calliostoma (Tristichotrochus) aculeatum aculeatum (G.B. Sowerby III, 1912)
  • Tristichotrochus aculeatus aculeatus (G. B. Sowerby III, 1912)· accepted, alternate representation

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

Subspecies
  • Tristichotrochus aculeatus aculeatus (G. B. Sowerby III, 1912)
  • Tristichotrochus aculeatus aliguayensis (Poppe, Tagaro & Dekker, 2006)

Shell description

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]

Distribution

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.

References

  1. 1 2 MolluscaBase eds. (2021). MolluscaBase. Tristichotrochus aculeatus (G. B. Sowerby III, 1912). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=880976 on 2021-06-17
  2. 1 2 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. (guido@conchology.be); Tagaro, Sheila P.; Dekker, Henk. 2006. Visaya Supplement: Supplement 2 Pages: 3-228
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