| 词条 | Mercuria confusa |
| 释义 |
| name = Mercuria confusa | image = Mercuriaconfusa.jpg | status = | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia = clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha | superfamilia = Truncatelloidea | familia = Hydrobiidae | genus = Mercuria | species = M. confusa | binomial = Mercuria confusa | binomial_authority = 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. DescriptionThe 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. DistributionThis species occurs on the coasts of:
References
External links{{commonscatinline}}
2 : Hydrobiidae|Gastropods described in 1803 |
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