Nassarius albescens
Nassarius albescens | |
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File:Nassarius albescens albescens 01.JPG | |
Nassarius albescens | |
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N. albescens
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Binomial name | |
Nassarius albescens (Dunker, 1846)
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Nassarius albescens, common name : the whitish nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.[1]
There is one subspecies : Nassarius albescens gemmuliferus (A. Adams, 1852) (synonyms : Nassa (Niotha) albescens var. fenestratus (Marrat, 1877); Nassa (Niotha) fenestrata (Marrat, 1877); Nassa fenestrata Marratt, 1877; Nassa gemmulifera A. Adams, 1852; Nassa isabellei Reeve, 1853; Nassarius (Niotha) albescens gemmuliferus (A. Adams, 1852); Nassarius (Niotha) fenestratus (Marrat, 1877); Nassarius (Niotha) fenestratus var. gestroi Bisacchi, 1930; Nassarius fenestratus (Marratt, 1877); Nassarius gemmuliferus (A. Adams, 1852) ) [2]
Description
The length of the shell varies between 9 mm and 25 mm. Its surface sculpture has a distinctive fine network of evenly spaced nodules. The columella is narrow or wide. The overall colour of the shell is creamy white while the aperture is brown. [1]
Distribution
This species is distributed in the Indian Ocean off Madagascar and in the Pacific Ocean off the Philippines and Australia.
References
- Notes
- ↑ 1.0 1.1 1.2 Nassarius albescens (Dunker, 1846). Retrieved through: World Register of Marine Species on 29 December 2010.
- ↑ WoRMS : Nassarius albescens gemmuliferus (A. Adams, 1852) ; accessed : 28 February 2011
- Sources
- Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
- Cernohorsky W. O. (1984). Systematics of the family Nassariidae (Mollusca: Gastropoda). Bulletin of the Auckland Institute and Museum 14: 1-356
- Branch, G.M. et al. (2002). Two Oceans. 5th impression. David Philip, Cate Town & Johannesburg