Granigyra tenera
Granigyra tenera is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.[1]
| Granigyra tenera | |
|---|---|
 | |
| Drawing with an apertural view of the shell of Granigyra tenera | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Vetigastropoda |
| Superfamily: | Seguenzioidea (unassigned) |
| Genus: | |
| Species: | G. tenera |
| Binomial name | |
| Granigyra tenera (Jeffreys, 1883) | |
| Synonyms | |
|
Cyclostrema tenera Jeffreys 1883 | |
Description
The shell grows to a height of 1.8 mm. The thin shell is narrowly umbilicated. It is semitransparent, lustreless, with nearly microscopic spiral stride, which are wanting on the base and replaced by a rugose or fretted appearance. The color of the shell is pale yellowish white, with a faint greenish tinge. The four whorls are convex. The suture is very deep. The aperture is circular. The thin peristome is slightly expanded.[2]
Distribution
This species occurs in the Atlantic Ocean off Portugal.
References
- Granigyra tenera (Jeffreys, 1883). Retrieved through: World Register of Marine Species on 26 March 2013.
- G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Cyclostrema tenera)
- Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
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