Hippeutis complanatus, 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.

Hippeutis complanatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Superorder: Hygrophila
Family: Planorbidae
Genus: Hippeutis
Species:
H. complanatus
Binomial name
Hippeutis complanatus
(Linnaeus, 1758)[2]
Synonyms
List
  • Helix complanata Linnaeus, 1758
  • Helix fontana [Lightfoot], 1786
  • Hippeutis (Hippeutis) fontanus ([Lightfoot], 1786)
  • Planorbis (Hippeutis) colchicus Lindholm, 1913
  • Planorbis (Hippeutis) complanatus (Linnaeus, 1758)
  • Planorbis complanatus (Linnaeus, 1758)
  • Segmentina (Hippeutis) complanata (Linnaeus, 1758)
  • Segmentina complanata (Linnaeus, 1758)

Hippeutis complanatus is the type species of the genus Hippeutis.

Distribution

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The species is found in the Palearctic zone, including Europe.

Shell description

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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.

Ecology

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This snail lives in ponds and ditches, and prefers calcium-rich waters.[5]

References

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  1. ^ 2011 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 28 December 2022.
  2. ^ 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).
  3. ^ Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.
  4. ^ (in Dutch) Hippeutis complanatus, ANEMOON
  5. ^ Janus, Horst, 1965. ‘’The young specialist looks at land and freshwater molluscs’’, Burke, London
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