Uncancylus

Uncancylus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Panpulmonata; clade Hygrophila
Superfamily:	Planorboidea
Family:	Planorbidae
Subfamily:
Tribe:	Ancylini
Genus:	Uncancylus; Pilsbry, 1913
Species
	See text

Uncancylus is a genus of small, freshwater, air-breathing limpets, aquatic pulmonate gastropod molluscs in the family Planorbidae, the ram's horn snails and their allies.

Anatomy[]

These animals have a pallial lung, as do all pulmonate snails, but they also have a false gill or "pseudobranch" which can serve perfectly well as a gill when they are unable to reach the surface for air.

Species[]

Species within the genus Uncancylus include:^[1]^[2]

Uncancylus concentricus (d'Orbigny, 1835)
(Bavay, 1904)
Uncancylus foncki (Philippi, 1866)
(Biese, 1948)

References[]

^ dos Santos, S. B. (2003). "Estado atual do conhecimento dos ancilídeos na América do Sul (Mollusca: Gastropoda: Pulmonata: Basommatophora)" [Current state of knowledge of ancylids in South America (Mollusca: Gastropoda: Pulmonata: Basommatophora)] (PDF). Revista de Biología Tropical (in Portuguese). Redalyc. 51 (3): 191–223. Retrieved 6 May 2014.
^ IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 06 May 2014.

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[1] s Santos, S. B. (2003). "Estado atual do conhecimento dos ancilídeos na América do Sul (Mollusca: Gastropoda: Pulmonata: Basommatophora)" [Current state of knowledge of ancylids in South America (Mollusca: Gastropoda: Pulmonata: Basommatophora)] (PDF). Revista de Biología Tropical (in Portuguese). Redalyc. 51 (3): 191–223. Retrieved 6 May 2014.

[2] IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 06 May 2014.

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