Cirsonella extrema
Cirsonella extrema is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.[1]
| Cirsonella extrema | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Skeneidae |
| Genus: | Cirsonella |
| Species: | C. extrema |
| Binomial name | |
| Cirsonella extrema Thiele, 1912 | |
Description
The height of the yellowish white shell attains 2.7 mm, its diameter 2.9 mm. The spire contains 3½ whorls. The round aperture is somewhat oblique. The peristome has a thickened callus, expanded on the left side. Its top is attached to the penultimate whorl. it covers mostly the umbilicus. The brownish operculum is rather thick and consists of polygyrous spirals.[2]
Distribution
This marine species occurs in Antarctic waters off the South Shetland Islands at depths between 311 m and 426 m.
gollark: It would be slow and duplicate a *ton* of work which the Java side already has access to.
gollark: You technically *can*, but it's annoying. Especially if you want secure websockets since I think you would have to implement TLS in Lua.
gollark: Tables work that way, but not strings!
gollark: That's... a small fission reactor's worth.
gollark: 4kRF/t is an unreasonably large amount for it to draw, in any case.
References
- Engl W. (2012) Shells of Antarctica. Hackenheim: Conchbooks. 402 pp.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.