Ethalia omphalotropis
Ethalia omphalotropis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]
| Ethalia omphalotropis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Genus: | Ethalia |
| Species: | E. omphalotropis |
| Binomial name | |
| Ethalia omphalotropis A. Adams, 1863 | |
| Synonyms | |
|
Umbonium omphalotropis (A. Adams, 1863) | |
Description
The small, semi-transparent shell has an ovate-discoidal shape. Its colour is white and entirely devoid of coloured markings. The 3½ convex whorls increase rapidly in size with deeply marked sutures. The body whorl has a spherical periphery. This species has a peculiar sharp keel surrounding the umbilicus. The aperture has an almost circular shape.[2]
Distribution
This marine species occurs off Japan.
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References
- Bouchet, P. (2014). Ethalia omphalotropis A. Adams, 1863. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=732107 on 2014-06-29
- "A. . Adams. Ann. Mag. 1865, p. 266". Archived from the original on 2016-03-03. Retrieved 2014-06-30.
- Higo, S., Callomon, P. & Goto, Y. (1999) Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Elle Scientific Publications, Yao, Japan, 749 pp.
External links
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