Granigyra tenera is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.[1]
| Granigyra tenera | |
|---|---|
_Figure_15_(cropped).png)
| |
| Shell of Granigyra tenera | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Family: | incertae sedis |
| Genus: | Granigyra |
| Species: | G. tenera
|
| Binomial name | |
| Granigyra tenera (Jeffreys, 1883)
| |
| Synonyms | |
|
Cyclostrema tenera Jeffreys 1883 | |
Description
editThe 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
editThis species occurs in the Atlantic Ocean off Portugal.
References
edit- ^ 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
External links
edit
Wikimedia Commons has media related to Granigyra tenera.