Langbahn Team – Weltmeisterschaft

Acroloxus lacustris

Acroloxus lacustris
Acroloxus lacustris Lake Constance
Two views of a shell of Acroloxus lacustris
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Superorder: Hygrophila
Family: Acroloxidae
Genus: Acroloxus
Species:
A. lacustris
Binomial name
Acroloxus lacustris
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.[3]

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:

Habitat

Acroloxus lacustris prefers still water. It lives in lakes, rivers, etc.[5]

Conservation status

This species is listed as least concern by the IUCN red list.

It is thought to be extinct in Israel due to habitat loss.[6]

References

  1. ^ Seddon, M.B. (2014). "Acroloxus lacustris". The IUCN Red List of Threatened Species. 2014. IUCN: 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).
  3. ^ "Fresh Water Limpets - Snails and Slugs (Gastropoda)". molluscs.at.
  4. ^ a b (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.
  5. ^ "Acroloxus lacustris (Linnaeus 1758) - Lake limpet". molluscsIreland.
  6. ^ Seddon, M.B. (2014). "Acroloxus lacustris". The IUCN Red List of Threatened Species. 2014. IUCN: e.T155692A734716. doi:10.2305/IUCN.UK.2014-1.RLTS.T155692A734716.en. Retrieved 5 January 2018.


Quelle: http://en.wikipedia.org/wiki/Acroloxus_lacustris