Mercuria Confusa

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.

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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