''Anacithara ione'' 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 in the family

Horaiclavidae Horaiclavidae is a family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea. In 2011 this family was split off from the family Pseudomelatomidae (formerly the subfamily Crassispirinae McLean, 1971) by Bouchet P., Ka ...

.WoRMS (2015). Anacithara ione (Melvill & Standen, 1896). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432949 on 2016-12-21

Description

A chaste pale violet species, with occasional brown dorsal shading. Sometimes, indeed, the ground colour is pale-brown or ochre, while other specimens are pure white The length of the small shell attains 5 mm, its diameter 3 mm. The shell has a thickened fusiform build. It is longitudinally thickly costate, the ribs few in number. The shell contains seven or eight

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, slightly ventricose, uniformly spirally lirate. The interstices when viewed with a lens are beautifully decussate. The aperture is wide. The outer lip is thickened, transversely striate, as are the whorls. The columellar margin is simple. The short

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 wide.Melvill & Standen (1897), Catalogue of the Hadfield collection of shells from the Lifu and Uvea, Loyalty Islands Parts ii & III
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Distribution

This marine species occurs off the Loyalty Islands.

References

External links

Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1–1295
{{DEFAULTSORT:Anacithara Ione

ione Ione may refer to: Places * Ione, California, a city * Ione, Colorado, an unincorporated community * Ione, Nevada, an unincorporated community * Ione, Oregon, a city * Ione, Washington, a town * Ionopolis or Ione, an ancient town near Antioch ...

Gastropods described in 1896