Pomacea diffusa: Difference between revisions
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== Taxonomy == |
== Taxonomy == |
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''Pomacea diffusa'' was originally described as a subspecies of ''[[Pomacea bridgesii]]''.<ref name="Rawlings 2007"/> Pain (1960)<ref>{{Cite journal|last=Pain|first=T.|year=1960|title=Pomacea (Ampullariidae) of the Amazon River system|url=|journal=Journal of Conchology|volume=24|pages= |
''Pomacea diffusa'' was originally described as a subspecies of ''[[Pomacea bridgesii]]''.<ref name="Rawlings 2007"/> Pain (1960)<ref>{{Cite journal|last=Pain|first=T.|year=1960|title=Pomacea (Ampullariidae) of the Amazon River system|url=|journal=Journal of Conchology|volume=24|pages=421–443|via=}}</ref> argued that ''Pomacea bridgesii bridgesii'' was a larger form with a restricted range, with the smaller ''Pomacea bridgesii diffusa'' being the common form throughout the [[Amazon Basin]] (Brazil, Peru, Bolivia).<ref name="Rawlings 2007"/> Cowie and Thiengo (2003)<ref>{{Cite journal|last=Cowie|first=R. H.|last2=Thiengo|first2=S. C.|year=2003|title=The apple snails of the Americas (Mollusca: Gastropoda: Ampullariidae: Asolene, Felipponea, Marisa, Pomacea, Pomella): a nomenclatural and type catalog|url=|journal=[[Malacologia]]|volume=45|pages=41–100|via=}}</ref> suggested that the latter might deserve full species status, and the two taxa have been confirmed as distinct species by genetic analyses.<ref name="Rawlings 2007"/> |
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== Distribution == |
== Distribution == |
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== References == |
== References == |
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This article incorporates CC-BY-2.0 text from the reference.<ref name="Rawlings 2007">{{Cite journal|last=Rawlings|first=Timothy A.|last2=Hayes|first2=Kenneth A.|last3=Cowie|first3=Robert H.|last4=Collins|first4=Timothy M.|year=|title=The identity, distribution, and impacts of non-native apple snails in the continental United States|url=http://dx.doi.org/10.1186/1471-2148-7-97|journal=[[BMC Evolutionary Biology]]|volume=7|pages=97|doi=10.1186/1471-2148-7-97|issn=1471-2148|pmc=1919357|pmid=17594487|via=}}</ref> |
This article incorporates CC-BY-2.0 text from the reference.<ref name="Rawlings 2007">{{Cite journal|last=Rawlings|first=Timothy A.|last2=Hayes|first2=Kenneth A.|last3=Cowie|first3=Robert H.|last4=Collins|first4=Timothy M.|year=2007|title=The identity, distribution, and impacts of non-native apple snails in the continental United States|url=http://dx.doi.org/10.1186/1471-2148-7-97|journal=[[BMC Evolutionary Biology]]|volume=7|pages=97|doi=10.1186/1471-2148-7-97|issn=1471-2148|pmc=1919357|pmid=17594487|via=}}</ref> |
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Revision as of 12:41, 21 January 2017
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| Pomacea diffusa Blume, 1957
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Pomacea diffusa, common name the spike-topped apple snail, is a species of freshwater snail, an aquatic gastropod mollusk in the family Ampullariidae, the apple snails.
Taxonomy
Pomacea diffusa was originally described as a subspecies of Pomacea bridgesii.[1] Pain (1960)[2] argued that Pomacea bridgesii bridgesii was a larger form with a restricted range, with the smaller Pomacea bridgesii diffusa being the common form throughout the Amazon Basin (Brazil, Peru, Bolivia).[1] Cowie and Thiengo (2003)[3] suggested that the latter might deserve full species status, and the two taxa have been confirmed as distinct species by genetic analyses.[1]
Distribution
The type locality of Pomacea diffusa is in the city of Santa Cruz de la Sierra, Bolivia, although the species is widespread throughout the Amazon Basin.[1]
Non-indigenous distribution of Pomacea diffusa include:
- Thompson[4] recorded this species (as Pomacea bridgesii) in Florida in Monroe, Miami-Dade, Broward, Palm Beach, and Pinellas Counties.[1] The FLMNH electronic database also lists samples from Alachua County, but records cited from the FLMNH database for Brevard County are in fact from Broward County.[1] Rawlings et al. (2007)[1] also collected this species in Hillsborough and Collier Counties.
- Pomacea diffusa was first recorded in Florida (as Pomacea bridgesii) by William J. Clench.[1][5] The FLMNH has specimens collected in Palm Beach County in 1967 (FLMNH 20295) and Miami-Dade and Broward Counties in the early 1970s (FLMNH 22175, 222247).[1] Howells et al. (2006)[6] reported its establishment in Mobile, Alabama in 2003.[1]
- Cuba[7]
Description
Pomacea diffusa is known as the spike-topped apple snail, because of its relatively raised spire.[1] It lacks a channeled suture, and overlaps in size with the Pomacea paludosa.[1]
The egg masses have an irregular honeycombed appearance, like those of Pomacea haustrum, but are smaller and have a tan to salmon color, although the egg masses are white when freshly laid.[1]
References
This article incorporates CC-BY-2.0 text from the reference.[1]
- ^ a b c d e f g h i j k l m n Rawlings, Timothy A.; Hayes, Kenneth A.; Cowie, Robert H.; Collins, Timothy M. (2007). "The identity, distribution, and impacts of non-native apple snails in the continental United States". BMC Evolutionary Biology. 7: 97. doi:10.1186/1471-2148-7-97. ISSN 1471-2148. PMC 1919357. PMID 17594487.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ Pain, T. (1960). "Pomacea (Ampullariidae) of the Amazon River system". Journal of Conchology. 24: 421–443.
- ^ Cowie, R. H.; Thiengo, S. C. (2003). "The apple snails of the Americas (Mollusca: Gastropoda: Ampullariidae: Asolene, Felipponea, Marisa, Pomacea, Pomella): a nomenclatural and type catalog". Malacologia. 45: 41–100.
- ^ Thompson, F. G. (1984). Freshwater snails of Florida: A manual for identification. Gainesville: University of Florida Press.
- ^ Clench, W. J. (1966). "Pomacea bridgesi (Reeve) in Florida". Nautilus. 79: 105.
- ^ Howells R. G., Burlakova L. F., Karatayev A. Y., Marfurt R. K. & Burks R. L. (2006). "Native and introduced Ampullariidae in North America: History, status, and ecology. In Global Advances in the Ecology and Management of Golden Apple Snails". In: Joshi R. C., Sebastian L. S., Muñoz N. E. (2006). Philippine Rice Research Institute. 2006: 73-112.
- ^ Perera, Antonio Alejandro Vázquez; Valderrama, Susana Perera (2010-06-01). "Endemic Freshwater Molluscs of Cuba and Their Conservation Status". Tropical Conservation Science. 3 (2): 190–199. doi:10.1177/194008291000300206.
External links
Wikimedia Commons has media related to Pomacea diffusa.
- Applesnails of Florida on the UF / IFAS Featured Creatures Web site
- [1] [The apple snail website species page]