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Definition: Ancylus fluviatilis

Part of Speech Definition
Noun 1. Minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants.[Wordnet].

Source: WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.

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Extended Definition: Ancylus fluviatilis


Ancylus fluviatilis

Ancylus fluviatilis

Conservation status
NE
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Orthogastropoda
Superorder: Heterobranchia
Order: Pulmonata
Family: Planorbidae
Genus: Ancylus
Species: A. fluviatilis
Binomial name
Ancylus fluviatilis
O. F. Müller, 1774

Ancylus fluviatilis is a species of very small, freshwater, air-breathing limpet, an aquatic pulmonate gastropod mollusk in the family Planorbidae. (It is sometimes classified in its own family, the Ancylidae).

This freshwater limpet is rheophile (it lives in fast running waters).

These animals have a pallial lung, as do all pulmonate snails, but they also have a false gill or "pseudobranch". This serves as a gill as, in their non-tidal habitat, these limpets never reach the surface for air.

Distribution and conservation status

Europe.

References

  1. 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 14 July 2007.



Source: adapted by the editor from Wikipedia, the free encyclopedia; from the article "Ancylus fluviatilis". Image Credit.