''Gibbula stoliczkana'' 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.Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
/ref>

Description

The size of the shell varies between 6 mm and 12 mm. The small, rather solid, umbilicate shell has an elevated conical shape. It is reddish-brown or olive-brown, flammulated above with white, the base tessellated brown and white. The spire is elevated. The about 5

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 slightly convex, lusterless, and spirally lirate. The lirae number about 9 on the penultimate whorl. 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 high. The lip is a little deflected toward the aperture. The periphery is angular. The base of the shell is angular around the umbilical region, with about 8 concentric lirae, the outer ones often obsolete. The aperture is oblique, about half the length of the shell, somewhat triangular, brilliantly iridescent within. The white columella is arcuate, and truncate at the base. The white umbilicus is narrow. The surface is lusterless. The lirae are rather coarse, broad and flat. The lower right hand margin of the aperture is decidedly produced, and the base is usually somewhat notched or emarginate as in the European ''

Gibbula tumida ''Gibbula tumida'' 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 4 mm and 10 mm. The small, narrowly umbilicate shell has an elevated co ...

''. The white flames are occasionally absent.

Distribution

This marine species occurs off the Philippines and

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

References

External links

* {{Taxonbar, from=Q16982316 stoliczkana Gastropods described in 1869