Alvania gradatoides
| Alvania gradatoides | |
|---|---|
| |
| Shell of Alvania gradatoides (specimen at the Auckland Museum) | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. gradatoides
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| Binomial name | |
| Alvania gradatoides | |
| Synonyms[2] | |
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Alvania gradatoides is a species of small sea snail with an operculum, a marine gastropod mollusk in the family Rissoidae.[2]
Distribution
- New Zealand (off Oamaru)
- Tasmania
Description
The length of the shell attains 3 mm, its diameter 1.6 mm.
Alvania gradatoides was originally discovered and described as Linemera gradatoides by Harold John Finlay in 1930.[1]
References
- ^ a b Finlay H. J. (1930). "Additions to the Recent Molluscan Fauna of New Zealand. No. 3." Transactions and Proceedings of the Royal Society of New Zealand. 61: page 222-247.
- ^ a b Bouchet, P. (2011). Alvania gradatoides (Finlay, 1930). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=565212 on 2012-07-25
- Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland
- Ponder, W.F. 1985 A review of the genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea), Records of the Australian Museum (
- Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.
- Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp.
External links
- http://www.mollusca.co.nz/speciesdetail.php?speciesid=620&species=Alvinia%20(Linemera)%20gradatoides
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