| Oscilla annulata | |
|---|---|
| |
| Drawing of a shell of Oscilla annulata | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Family: | Pyramidellidae |
| Genus: | Oscilla |
| Species: | O. annulata |
| Binomial name | |
| Oscilla annulata (A. Adams 1855) | |
| Synonyms | |
| |
Oscilla annulata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Description
The length of the whitish shell measures 5 mm. The numerous whorls of the teleoconch are flattened, and spirally ribbed. Their interstices are longitudinally striated. The columella has a single posterior plication. The lip is subcrenulated, the interior lirate.
Distribution
This marine species occurs in the demersal zone off the Philippines, Singapore and Japan.
References
- OBIS : Oscilla annulata; retrieved: 29 January 2012
- G.W. Tryon, Manual of Conchology vol.VIII p. 309 (described as Pyramidella (Oscilla) annulata)
| Taxon identifiers | |
|---|---|
| Oscilla annulata | |