Mercuria confusa

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Mercuria confusa
Mercuriaconfusa.jpg
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[edit]

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[edit]

This species occurs on the coasts of:

References[edit]

External links[edit]

Media related to Mercuria confusa at Wikimedia Commons