Pyrgula annulata is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.

Pyrgula annulata
Apertural view of two shells of Pyrgula annulata.
Scientific classification
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P. annulata
Binomial name
Pyrgula annulata
(Linnaeus, 1758)[1]
Synonyms

Turbo annulatus Linnaeus, 1758
Melania helvetica Michelin, 1831
Pyrgula helvetica (Michelin, 1831)

Pyrgula annulata is the type species of the genus Pyrgula.

Distribution

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This species occurs in Switzerland, Italy, Croatia, and Albania.

References

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  1. ^ Linnaeus C. 1758. Systema naturae per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata. pp. [1-4], 1-824. Holmiae. (Salvius).
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