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''Clanculus rubicundus'' 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 Trochidae, the top snails.


Description

The height of the shell attains 6 mm, its diameter about the same. The narrowly umbilicated, rubicund shell has a globose-conic shape. Its
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 rounded, separated by canaliculate sutures and elegantly granose-cingulate. The umbilicus shows a white, crenate margin. The columella is thick, twisted, incised above, and passes into a thick tooth below. The lip is thickened, sulcate within, and splendidly pearly. This is a beautiful species, allied to ''
Clanculus corallinus ''Clanculus corallinus'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 6 mm and 10 mm. The umbilicate shell has a globose-conic shape. ...
'' (Gmelin, 1791), but much more slender. The elevated riblets are densely crenate and the interstices canaliculate. The spiral riblets on the penultimate whorl number four, on the last whorl inclusive of the base of the shell, 12 to 14. The color is uniform ruddy or scarlet, variegated with white in the umbilical region.H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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Distribution

This marine species occurs in the Pacific Ocean off
Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...
in the
Viti Levu Group The Viti Levu Group is an archipelago in Fiji consisting Viti Levu island and its outliers. Geography The group had an aggregate area of , and a population of 574,801 at the 1996 census. The outlying islands include: * Bau * Beqa * Nukulau * ...
.


References

* Dunker, W. (1871): ''Mollusca nova Musei Godeffroy Hamburgiensis''; Malakozoologische Blätter 18, pp. 150–175


External links


Systax (Universität Ulm, Ruhr-Universität Bochum): Clanculus rubicundus
{{Taxonbar, from=Q16980813 rubicundus Gastropods described in 1871