Eucithara capillata

Eucithara capillata is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]

Eucithara capillata
Original image of a shell of Eucithara capillata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Mangeliidae
Genus: Eucithara
Species:
E. capillata
Binomial name
Eucithara capillata
(Hervier, 1897)
Synonyms[1]
  • Cithara capillata Hervier, 1897 (original combination)
  • Mangilia capillata (Hervier, 1897)

Description

The length of the shell varies between 5 mm and 8 mm.

The shell has an oval-fusiform shape and is acuminate at both ends. The shell is rather thickened and is of a dull crystalline white color. The 4 to 5 top decurring striae are tinted brown on their ridge. These striae are rather fine. The shell is sculpted by vertical and decurrent ribs. These number 8 to 9 at the penultimate whorl. They are thick, prominent and low,. They are weak at the suture, where they originate, swell towards the middle of the whorl , where they form (seen in profile) an obtuse angle, and terminate only at the base of the shell. The short and acuminate spire contains about 7 whorls, separated by a linear sinuate suture. The embryonic whorls are missing from the samples received; The upper whorls present a slightly convex profile, obtusely angular towards the base. The penultimate whorl is convex, the angulation occurs in the middle. The body whorl measures 2/3 of the total height. The dorsal part is mottled with pale yellow, and, on the last rib below the angle, one can see 3 dots of a slightly tinted fawn color. The aperture is semi-oval, directed slightly obliquely. The peristome is continuous; The inside is enamelled brilliant white. The very oblique columella is rectilinear, remarkably furrowed by a dozen folds. The outer lip has a convex profile, rather bulging, and is flexibly arcuate in the plane of the opening; It is thickened on the last rib. The sinus, situated obliquely a little below the suture, is rounded, and not deeply entering into the thickness of the outer lip.[2]

Distribution

This marine species occurs off New Caledonia, the Loyalty Islands, the Philippines and Queensland (Australia).

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References
  1. WoRMS (2009). Eucithara capillata (Hervier, 1897). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=433698 on 2017-05-11
  2. Hervier, J. 1898. Descriptions d'espèces nouvelles de Mollusques provenant de l'Archipel de la Nouvelle-Calédonie. Journal de Conchyliologie 45: 165-195, 249-266, pls 7-8
  • Bouge, L.J. & Dautzenberg, P.L. 1914. Les Pleurotomides de la Nouvelle-Caledonie et de ses dependances. Journal de Conchyliologie 61: 123-214
  • 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
  • "Eucithara capillata". Gastropods.com. Retrieved 16 January 2019.
  • Virginie, et al. "Mollusca of New Caledonia." Compendium of marine species of New Caledonia. Documents Scientifiques et Techniques II7, 2nd edn. IRD, Nouméa (2007): 199-254
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