Hippeutis complanatus

Taxobox
name = "Hippeutis complanatus"


image_width = 225px
status = NE
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Heterobranchia
ordo = Pulmonata
familia = Planorbidae
genus = "Hippeutis"
species = "H. complanatus"
binomial = "Hippeutis complanatus"
binomial_authority = (Linnaeus, 1758) [Linnaeus, C. 1758. "Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis". 10th edition. - Vermes. Testacea: 700-781. Holmiae. (Salvius).]

"Hippeutis complanatus", also known as "Segmentina complanata", or the flat ram's-horn snail, is a species of minute air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk or micromollusk in the family Planorbidae, the ram's horn snails.

Distribution

The species is found in the Palearctic zone, including Europe.
* Not listed in IUCN red list - not evaluated (NE) [2006 IUCN Red List of Threatened Species. . Cited 5 March 2007.]
* Czech Republic - least concern (LC) [Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.]
* Germany
* Netherlands [nl icon [http://www.anemoon.org/anm/voorlopige-kaarten/kaarten-per-soort/zoetwatermollusken/wetenschappelijk/hippeutis-complanatus/ Hippeutis complanatus — Anemoon ] ]
* Slovakia
* Sweden
* British Isles
* ...

Habitat

This snail lives in ponds and ditches, and prefers calcium-rich waters.

hell Description

This minute shell is almost perfectly planispiral and shaped like a lens. The whorls overlap one another. The shell color varies from offwhite to a brownish yellow.

References

* Janus, Horst, 1965. ‘’The young specialist looks at land and freshwater molluscs’’, Burke, London

External links

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