Oscilla annulata
| Oscilla annulata | |
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| Drawing of a shell of Oscilla annulata | |
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| Species: | O. annulata
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| Binomial name | |
| Oscilla annulata (A. Adams 1855)
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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