Alvania gradatoides is a species of small sea snail with an operculum, a marine gastropod mollusk in the family Rissoidae.
Distribution
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.
References
- 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