Austrodrillia albobalteata
Austrodrillia albobalteata is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.[1]
Austrodrillia albobalteata | |
---|---|
Shell of Austrodrillia albobalteata (specimen at the Natural History Museum, London) | |
Scientific classification | |
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) albobalteata E. A. Smith, 1890 (basionym) |
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.
References
- 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
- 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