Mercuria confusa

Short description: Species of gastropod

Mercuria confusa

Scientific classification
Kingdom:  |

Animalia

Phylum:  |

Mollusca

Class:  |

Gastropoda

(unranked):  |

clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha

Superfamily:  |

Truncatelloidea

Family:  |

Hydrobiidae

Genus:  |

Mercuria

Species:  |

M. confusa

Binomial name
Mercuria confusa

Montague, 1803

Synonyms

Pseudamnicola confusa

Mercuria confusa, common name the '"swollen spire snail", is a northern European species of small brackish water or freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.

This species only tolerates very low salinities, and is perhaps better characterized as a freshwater snail.

## Contents

* 1 Description
* 2 Distribution
* 3 References
* 4 External links

## Description

The 3–4 mm. high shell is fragile and translucent yellow-white in colour (but often coated with dark deposits). The animal is entirely and uniformly pale and has pale tentacles.Mercuria confusa has a proportionately larger body whorl than other hydrobiids.

## Distribution

This species occurs on the coasts of:

* France
* Great Britain
* Ireland
* Netherlands

## References

* "Swollen Spire Snail Mercuria confusa". Species Action Plan for Sussex. Sussex Biodiversity Partnership. Archived from the original on 24 June 2006. https://web.archive.org/web/20060624114151/http://www.biodiversitysussex.org/swollenspiresnail.htm. Retrieved 23 July 2014.

## External links

* MolluscIreland

Wikidata ☰ Q13769725 entry

pt:Hydrobia scamandri

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