| Oscilla annulata | |
|---|---|
|  | |
| Drawing of a shell of Oscilla annulata | |
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Heterobranchia | 
| Family: | Pyramidellidae | 
| Genus: | Oscilla | 
| Species: | O. annulata | 
| Binomial name | |
| Oscilla annulata (A. Adams 1855) | |
| Synonyms | |
| 
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Oscilla annulata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.[1]
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.[2]
Distribution
This marine species occurs in the demersal zone off the Philippines, Singapore and Japan.
References
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