Calliostoma alternum explained

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

Description

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

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

References

• 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)

External links

• Biodiversity Heritage Library (1 publication)
• Encyclopedia of Life
• USNM Invertebrate Zoology Mollusca Collection
• World Register of Marine Species

Notes and References

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