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* Thompson<ref>Thompson F. G. (1984). ''Freshwater snails of Florida: A manual for identification''. Gainesville: University of Florida Press.</ref> recorded this species (as ''Pomacea bridgesii'') in Florida in [[Monroe County, Florida|Monroe]], [[Miami-Dade County, Florida|Miami-Dade]], [[Broward County, Florida|Broward]], [[Palm Beach County, Florida|Palm Beach]], and [[Pinellas County, Florida|Pinellas Counties]].<ref name="Rawlings 2007"/> The FLMNH electronic database also lists samples from [[Alachua County, Florida|Alachua County]], but records cited from the FLMNH database for [[Brevard County, Florida|Brevard County]] are in fact from [[Broward County, Florida|Broward County]].<ref name="Rawlings 2007"/> Rawlings et al. (2007)<ref name="Rawlings 2007"/> also collected this species in [[Hillsborough County, Florida|Hillsborough]] and [[Collier County, Florida|Collier Counties]].
* Thompson<ref>Thompson F. G. (1984). ''Freshwater snails of Florida: A manual for identification''. Gainesville: University of Florida Press.</ref> recorded this species (as ''Pomacea bridgesii'') in Florida in [[Monroe County, Florida|Monroe]], [[Miami-Dade County, Florida|Miami-Dade]], [[Broward County, Florida|Broward]], [[Palm Beach County, Florida|Palm Beach]], and [[Pinellas County, Florida|Pinellas Counties]].<ref name="Rawlings 2007"/> The FLMNH electronic database also lists samples from [[Alachua County, Florida|Alachua County]], but records cited from the FLMNH database for [[Brevard County, Florida|Brevard County]] are in fact from [[Broward County, Florida|Broward County]].<ref name="Rawlings 2007"/> Rawlings et al. (2007)<ref name="Rawlings 2007"/> also collected this species in [[Hillsborough County, Florida|Hillsborough]] and [[Collier County, Florida|Collier Counties]].
* ''Pomacea diffusa'' was first recorded in Florida (as ''Pomacea bridgesii'') by [[William J. Clench]].<ref>[[William J. Clench|Clench W. J.]] (1966). "''Pomacea bridgesi'' (Reeve) in Florida". ''Nautilus'' '''79''': 105.</ref><ref name="Rawlings 2007"/> The FLMNH has specimens collected in [[Palm Beach County, Florida|Palm Beach County]] in 1967 (FLMNH 20295) and [[Miami-Dade County, Florida|Miami-Dade]] and [[Broward County, Florida|Broward Counties]] in the early 1970s (FLMNH 22175, 222247).<ref name="Rawlings 2007"/> Howells et al. (2006)<ref>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.</ref> reported its establishment in [[Mobile, Alabama]] in 2003.<ref name="Rawlings 2007"/>
* ''Pomacea diffusa'' was first recorded in Florida (as ''Pomacea bridgesii'') by [[William J. Clench]].<ref name="Rawlings 2007"/><ref>[[William J. Clench|Clench W. J.]] (1966). "''Pomacea bridgesi'' (Reeve) in Florida". ''Nautilus'' '''79''': 105.</ref> The FLMNH has specimens collected in [[Palm Beach County, Florida|Palm Beach County]] in 1967 (FLMNH 20295) and [[Miami-Dade County, Florida|Miami-Dade]] and [[Broward County, Florida|Broward Counties]] in the early 1970s (FLMNH 22175, 222247).<ref name="Rawlings 2007"/> Howells et al. (2006)<ref>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.</ref> reported its establishment in [[Mobile, Alabama]] in 2003.<ref name="Rawlings 2007"/>
* [[List of non-marine molluscs of Cuba|Cuba]]<ref name="Vázquez 2010">Vázquez A. A. & Perera S. (2010). "Endemic Freshwater molluscs of Cuba and their conservation status". ''[[Tropical Conservation Science]]'' '''3'''(2): 190-199. [http://tropicalconservationscience.mongabay.com/content/v3/10-06-28_190-199_Perera&Valderrama.html HTM], [http://tropicalconservationscience.mongabay.com/content/v3/10-06-28_190-199_Perera&Valderrama.pdf PDF].</ref>
* [[List of non-marine molluscs of Cuba|Cuba]]<ref name="Vázquez 2010">Vázquez A. A. & Perera S. (2010). "Endemic Freshwater molluscs of Cuba and their conservation status". ''[[Tropical Conservation Science]]'' '''3'''(2): 190-199. [http://tropicalconservationscience.mongabay.com/content/v3/10-06-28_190-199_Perera&Valderrama.html HTM], [http://tropicalconservationscience.mongabay.com/content/v3/10-06-28_190-199_Perera&Valderrama.pdf PDF].</ref>


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== References ==
== References ==
This article incorporates CC-BY-2.0 text from the reference <ref name="Rawlings 2007">Rawlings T. A., Hayes K. A., Cowie R. H. & Collins T. M. (2007). "The identity, distribution, and impacts on non-native apple snails in the continental United States". ''[[BMC Evolutionary Biology]]'' '''7''': 97 {{doi|10.1186/1471-2148-7-97}}.</ref>.
This article incorporates CC-BY-2.0 text from the reference.<ref name="Rawlings 2007">Rawlings T. A., Hayes K. A., Cowie R. H. & Collins T. M. (2007). "The identity, distribution, and impacts on non-native apple snails in the continental United States". ''[[BMC Evolutionary Biology]]'' '''7''': 97 {{doi|10.1186/1471-2148-7-97}}.</ref>
{{reflist}}
{{reflist}}



Revision as of 20:52, 5 December 2012

Pomacea diffusa
Two views of a shell of Pomacea diffusa
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
clade Caenogastropoda
informal group Architaenioglossa
Superfamily:
Family:
Subfamily:
Tribe:
Genus:
Species:
P. diffusa
Binomial name
Pomacea diffusa
Blume, 1957

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:

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]

An egg cluster of Pomacea diffusa

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]

  1. ^ a b c d e f g h i j k l m n Rawlings T. A., Hayes K. A., Cowie R. H. & Collins T. M. (2007). "The identity, distribution, and impacts on non-native apple snails in the continental United States". BMC Evolutionary Biology 7: 97 doi:10.1186/1471-2148-7-97.
  2. ^ Pain T. (1960). "Pomacea (Ampullariidae) of the Amazon River system". Journal of Conchology 24: 421-432.
  3. ^ 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.
  4. ^ Thompson F. G. (1984). Freshwater snails of Florida: A manual for identification. Gainesville: University of Florida Press.
  5. ^ Clench W. J. (1966). "Pomacea bridgesi (Reeve) in Florida". Nautilus 79: 105.
  6. ^ 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.
  7. ^ Vázquez A. A. & Perera S. (2010). "Endemic Freshwater molluscs of Cuba and their conservation status". Tropical Conservation Science 3(2): 190-199. HTM, PDF.

External links