Calliostoma alternum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.[1]

Calliostoma alternum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Calliostomatidae
Subfamily: Calliostomatinae
Genus: Calliostoma
Species:
C. alternum
Binomial name
Calliostoma alternum
Quinn, 1992

Description

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The height of the shell attains 16 mm. The umbilicate shell has a conical shape. It is finely sculptured. The aperture is subquadrate wit thin lips. The rather thin columella is weakly sigmoid and ends in a rounded denticle.

Distribution

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This species occurs in the Caribbean Sea off Colombia, Venezuela and Suriname.

References

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  1. ^ Rosenberg, G. (2012). Calliostoma alternum Quinn, 1992. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532281 on 2012-12-07
  • J.F. Quinn, New Species of Calliostoma Swainson, 1840 (Gastropoda: Trochidae), and Notes on Some Poorly Known Species from the Western Atlantic Ocean; The Nautilus v. 106 (1992-1993)
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  • Biodiversity Heritage Library (1 publication)
  • Encyclopedia of Life
  • USNM Invertebrate Zoology Mollusca Collection
  • World Register of Marine Species
  • "Calliostoma alternum". Gastropods.com. Retrieved 15 January 2019.