Hippeutis complanatus

Hippeutis complanatus
Conservation status
	; Least Concern (IUCN 3.1)
Scientific 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)
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, 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 is the type species of the genus Hippeutis.

Distribution[edit]

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

Latvia
Czech Republic - least concern (LC)^[3]
Slovakia
Poland
Germany
Austria
Netherlands^[4]
Sweden
British Isles: Great Britain, Ireland

Shell description[edit]

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[edit]

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

References[edit]

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

External links[edit]

Hippeutis complanatus at Animalbase taxonomy,short description, distribution, biology,status (threats), images
Hippeutis images at Consortium for the Barcode of Life

[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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