Acroloxus lacustris

Acroloxus lacustris
	Acroloxus lacustris Lake Constance
	Two views of a shell of Acroloxus lacustris
Conservation status
	; Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Panpulmonata; clade Hygrophila
Superfamily:	Acroloxoidea
Family:	Acroloxidae
Genus:	Acroloxus
Species:	A. lacustris
Binomial name
	Acroloxus lacustris; (Linnaeus, 1758)[2]
Synonyms
	Acroloxus velkovrhi Bole, 1965

Acroloxus lacustris, or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae.

Description

The 4–7 mm. (7 mm long, 3 mm wide and 2 mm high) shell is laterally compressed elongate and limpet-like (no whorls and cone or hat shaped) with a sharp apex twisted to the left The colour is yellowish-grey to brown. The dimensions may vary depending on the substrate surface. On thin plant stems the shells are narrow, and more parallel-sided on leaves and stones they are rather wide oval.

Distribution

Found across Europe to western and central Siberia. The distribution type is Eurosiberian Wide Temperate. This species of freshwater limpet is found in European countries and islands including:

References

Seddon, M.B. (2014). "Acroloxus lacustris". The IUCN Red List of Threatened Species. IUCN. 2014: e.T155692A734716. doi:10.2305/IUCN.UK.2014-1.RLTS.T155692A734716.en. Retrieved 5 January 2018.
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).
(in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.

External links

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[1] Seddon, M.B. (2014). "Acroloxus lacustris". The IUCN Red List of Threatened Species. IUCN. 2014: e.T155692A734716. doi:10.2305/IUCN.UK.2014-1.RLTS.T155692A734716.en. Retrieved 5 January 2018.

[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).

[Horsák_2010-3] (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.