Rhodacmea

Rhodacmea
	Two views of a shell of Rhodacmea filosa
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Panpulmonata; clade Hygrophila
Superfamily:	Planorboidea
Family:	Planorbidae
Subfamily:	Rhodacmeinae
Genus:	Rhodacmea; Walker, 1917[1]
Diversity[2]
	3 species

Rhodacmea is a genus of small freshwater snails or limpets, aquatic gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.[2]

Rhodacmea is the type genus of the subfamily Rhodacmeinae.[3]

Anatomy

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, which is necessary as, in their non-tidal habitat, these limpets never reach the surface for air.

Species

Species in the genus Rhodacmea include:

Rhodacmea elatior (Anthony, 1855) - Domed ancylid[4]
Rhodacmea filosa (Conrad, 1834) - Wicker ancylid,[5] type species[1]
Rhodacmea hinkleyi (Walker, 1908)[2]

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gollark: All the cool things are statements and not expressions.

References

Walker B. (1917). "A revision of the classification of the North American patelliform Ancylidae with descriptions of new species". The Nautilus 31(1): 1-10. page 5. plate 1-plate 3.
Ó Foighil D., Li J., Lee T., Johnson P., Evans R. & Burch J. B. (2011). "Conservation Genetics of a Critically Endangered Limpet Genus and Rediscovery of an Extinct Species". PLoS ONE 6(5): e20496. doi:10.1371/journal.pone.0020496.
Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
Bogan, A.E. (1996). "Rhodacmea elatior". The IUCN Red List of Threatened Species. IUCN. 1996: e.T19669A9002012. doi:10.2305/IUCN.UK.1996.RLTS.T19669A9002012.en. Retrieved 15 January 2018.
Cordeiro, J. (2012). "Rhodacmea filosa". The IUCN Red List of Threatened Species. IUCN. 2012: e.T19670A2475285. doi:10.2305/IUCN.UK.2012-1.RLTS.T19670A2475285.en. Retrieved 15 January 2018.

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[Walker_1917-1] Walker B. (1917). "A revision of the classification of the North American patelliform Ancylidae with descriptions of new species". The Nautilus 31(1): 1-10. page 5. plate 1-plate 3.

[Ó_Foighil_2011-2] Ó Foighil D., Li J., Lee T., Johnson P., Evans R. & Burch J. B. (2011). "Conservation Genetics of a Critically Endangered Limpet Genus and Rediscovery of an Extinct Species". PLoS ONE 6(5): e20496. doi:10.1371/journal.pone.0020496.

[3] Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.

[IUCN1996-4] Bogan, A.E. (1996). "Rhodacmea elatior". The IUCN Red List of Threatened Species. IUCN. 1996: e.T19669A9002012. doi:10.2305/IUCN.UK.1996.RLTS.T19669A9002012.en. Retrieved 15 January 2018.

[IUCN2000)-5] Cordeiro, J. (2012). "Rhodacmea filosa". The IUCN Red List of Threatened Species. IUCN. 2012: e.T19670A2475285. doi:10.2305/IUCN.UK.2012-1.RLTS.T19670A2475285.en. Retrieved 15 January 2018.