''Calliostoma fonki'' is a
species of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk in the
family Calliostomatidae.
[Bouchet, P. (2012). ''Calliostoma fonki'' (Philippi, 1860). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512115 on 23 July 2013]
Description
The size of the shell varies between 11 mm and 17 mm. The imperforate, thin shell has a conical shape. it is pale rose colored. The upper
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane floral ...
s are plane, and tricingulate. The upper cingulus is beaded, the second and the third are smooth. The
body whorl
The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk.
In gastropods
In gastropods, the b ...
is obtusely angled and encircled by 5 cinguli. The base of the shell is a little convex, with 6 cinguli. The
aperture is quadrangular. The
columella is a little oblique, cylindrical, scarcely truncate, but sensibly passing into the base.
Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
/ref>
Distribution
This species occurs in the Pacific Ocean between El Salvador
El Salvador (; , meaning " The Saviour"), officially the Republic of El Salvador ( es, República de El Salvador), is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south b ...
and Peru (not in the Galapagos Islands)
References
External links
To Biodiversity Heritage Library (2 publications)
To Encyclopedia of Life
To World Register of Marine Species
*
{{Taxonbar, from=Q5022324
fonki
Gastropods described in 1860