Inodrillia prolongata

Inodrillia prolongata is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.

Inodrillia prolongata
Shell of Inodrillia prolongata (specimens at the Natural History Museum, London)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Horaiclavidae
Genus: Inodrillia
Species:
I. prolongata
Binomial name
Inodrillia prolongata
(E. A. Smith, 1890)
Synonyms[1]
  • Clavus prolongata E.A. Smith, 1890
  • Pleurotoma (Clavus) prolongata E. A. Smith, 1890 (basionym)

It was previously included within the family Turridae.[1]

Description

The length of the shell attains 6 mm, its diameter 2 mm.

The elongated, turreted shell contains 6-7 whorls, of which two in the protoconch. This species is remarkable for the great length of the spire in proportion to that of the short aperture. Besides the 12 ribs, the surface exhibits fine wavy striae of growth. The inner lip is thin and slightly incrassate. The large sinus is deep. The columella is straight. The siphonal canal is wide and very short.

Distribution

This marine species occurs off St. Helena

References
  1. Rosenberg, G. (2015). Inodrillia prolongata (E. A. Smith, 1890). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532930 on 2017-02-02
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