Hippeutis complanatus

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
Subclass: Heterobranchia
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

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

Shell 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.

Ecology

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

References
  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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