''Anacithara hervieri'' 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 hervieri Hedley, 1922. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432948 on 2016-12-18

Description

The length of the shell attains 5 mm, its diameter 2 mm. (Original description) The small, elongate shell has a turreted shape. Its colour is dull white. The

protoconch A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called ...

is pale primrose yellow. The shell contains six

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. The ribs are low, distant, perpendicular, angled at the shoulder, running from suture to base, but not continuing from one whorl to another. They number seven on the penultimate whorl. The spirals are very slender and widely spaced threads, between which are a few still finer threads. Of the major series there are twelve on the last and four on the penultimate whorl. The open aperture is unarmed save for a tubercle on either side of the sinus. The varix is well developed. The sinus is wide and shallow. The siphonal canal is merely a notch. Hedley, C. 1922. A revision of the Australian Turridae. Records of the Australian Museum 13(6): 213-359, pls 42-56
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Distribution

This marine species is endemic to Australia and occurs off Queensland.

References

External links

Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1-1295
{{DEFAULTSORT:Anacithara Hervieri hervieri Gastropods of Australia Gastropods described in 1922