''Citharomangelia boakei'' 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

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 Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Mangeliidae Mangeliidae is a monophyletic family of small to medium-sized, predatory sea snails, marine gastropod mollusks in the superfamily Conoidea. Bouchet, P. (2011). Mangeliidae P. Fischer, 1883. In: MolluscaBase (2016). Accessed through: World Regis ...

.Traits (2009). Citharomangelia boakei (Nevill & Nevill, 1869). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=433214 on 2017-04-08

Description

The length of the shell attains 12 mm. The shell closely resembles ''

Citharomangelia africana ''Citharomangelia africana'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Citharomangelia africana (G. B. Sowerby III, 1903). In: MolluscaBase (2017). Accessed through: World Register of Marine Sp ...

'' (G. B. Sowerby III, 1903), but it is smaller and with more evenly convex

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. Furthermore, the 11 – 12 axial ribs are not arcuate below the suture. The

spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spires are ...

is higher than in ''

Citharomangelia richardi ''Citharomangelia richardi'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Citharomangelia richardi (Crosse, 1869). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at ht ...

'' (Crosse, 1869). The fine spiral striae are distinct. The columella shows traces of transverse plicae. The outer lip is denticulate with 13 denticles. The whorls are narrowly round-shouldered at the top. The longitudinal plicae are close, small, rather straight. There are no revolving striae. The color is pinkish white, shining, with a subsutural interrupted chestnut band, and another about the top of the aperture. The lower half of the body whorl is pale chestnut. The interior is two-banded with chestnut. The outer lip is thickened, internally minutely crenulated.G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
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Distribution

This marine species occurs off

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

* Nevill, G. & Nevill, H. 1869. Description of a new genus and five new species of marine univalves from the Southern Province, Ceylon. 1. Ceylon Br. Asiat. Soc. 1867–70: 141–142.

External links

Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1–1295
{{DEFAULTSORT:Citharomangelia boakei boakei Gastropods described in 1869