''Eucithara duplaris'' is a small
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
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* ...
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
Mangeliidae.
[WoRMS (2009). Eucithara duplaris (Melvill, 1923). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=433717 on 2017-05-17]
Distribution
This marine species occurs off the
Andaman Islands
The Andaman Islands () are an archipelago in the northeastern Indian Ocean about southwest off the coasts of Myanmar's Ayeyarwady Region. Together with the Nicobar Islands to their south, the Andamans serve as a maritime boundary between th ...
and in the Indian Ocean off the
Seychelles to northern
Mozambique
Description
The length of the shell attains 16.3 mm, its diameter 6.2 mm.
(Original description) The solid shell is yellowish white. It is longitudinally irregularly but closely ribbed with incrassate ribs. The number of ribs, irregularly set out on 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 about sixteen. They are numerous likewise on the two next whorls The shell contains 6-7
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, at first sloping, then conspicuously and broadly angled. The whole surface is covered with fine revolving striae, which run in pairs, alternating with very narrow intervening spaces. The
aperture is narrow and elongate. The outer
lip is thickened and shows fifteen small shining white denticulations at the orifice. The columellar margin is extended and similarly denticulate. The wide
siphonal canal
The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water is ...
is very short. The sinus is shallow and obscure.
Melvill J.C. 1923. ''Descriptions of twenty-one species of Turridae (Pleurotomidae) from various localities in the collection of Mr E. R. Sykes''; Proceedings of the Malacological Society of London v. 14-15 (1923)
/ref>
References
External links
Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1-1295
*
Kilburn R.N. 1992. Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 6. Subfamily Mangeliinae, section 1. Annals of the Natal Museum, 33: 461–575
{{Taxonbar, from=Q10278019
duplaris
Gastropods described in 1923