Oscilla annulata
Oscilla annulata | |
---|---|
Drawing of a shell of Oscilla annulata | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
(unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata |
Superfamily: | Pyramidelloidea |
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. [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
This article is issued from Wikipedia - version of the Tuesday, December 15, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.