Austrodrillia albobalteata

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Austrodrillia albobalteata
Austrodrillia albobalteata 002.jpg
Shell of Austrodrillia albobalteata (specimen at the Natural History Museum, London)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Horaiclavidae
Genus: Austrodrillia
Species:
A. albobalteata
Binomial name
Austrodrillia albobalteata
(E. A. Smith, 1890)
Synonyms [1]

Pleurotoma (Clavus) albobalteataE. A. Smith, 1890 (basionym)

Contents

Austrodrillia albobalteata is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae. [1]

It was formerly included within the family Turridae.

Description

The length of the shell attains 5 mm, its diameter 2 mm.

This small, brownish shell has a fusiform-ovate shape. It contains 6 whorls, including two convex whorls in the protoconch. It shows 10-12 ribs, Their superior part is almost obsolete and they are almost indistinctly subnodose at the sutures. The oval aperture is small. The outer lip is sharp, slightly ascending at the suture. There is a white band on the body whorl. It is subdivided by a fine line of the same colour as the rest of the shell. A few wavy darker brown lines flow down the lower portion of the body whorl. [2]

Distribution

This marine species occurs in the Atlantic Ocean off St. Helena.

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References

  1. 1 2 Rosenberg, G. (2015). Austrodrillia albobalteata (E. A. Smith, 1890). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532423 on 2016-12-28
  2. Smith E.A. (1890). Report on the marine molluscan fauna of the island of St. Helena. Proceedings of the Zoological Society of London. 1890: 247-317, pl. 21-2