Wattebledia siamensis

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Wattebledia siamensis
Wattebledia siamensis shell.png
Apertural view of the shell of Wattebledia siamensis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked):clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily: Rissooidea
Family: Bithyniidae
Genus: Wattebledia
Species:W. siamensis
Binomial name
Wattebledia siamensis
Moellendorff, 1902

Wattebledia siamensis is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Bithyniidae.

In biology, a species ( ) is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. While these definitions may seem adequate, when looked at more closely they represent problematic species concepts. For example, the boundaries between closely related species become unclear with hybridisation, in a species complex of hundreds of similar microspecies, and in a ring species. Also, among organisms that reproduce only asexually, the concept of a reproductive species breaks down, and each clone is potentially a microspecies.

Freshwater snail

Freshwater snails are gastropod mollusks which live in freshwater. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs to major rivers. The great majority of freshwater gastropods have a shell, with very few exceptions. Some groups of snails that live in freshwater respire using gills, whereas other groups need to reach the surface to breathe air. In addition, some are amphibious and have both gills and a lung. Most feed on algae, but many are detritivors and some are filter feeders.

Gill respiratory organ

A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist. The microscopic structure of a gill presents a large surface area to the external environment. Branchia is the zoologists' name for gills.

Contents

Distribution

The native distribution of this species includes:

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<i>Bithynia walkeri</i> species of mollusc

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<i>Bithynia pygmaea</i> species of mollusc

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<i>Wattebledia crosseana</i> species of mollusc

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<i>Wattebledia</i> genus of molluscs

Wattebledia is a genus of freshwater snails with a gill and an operculum, an aquatic gastropod mollusks in the family Bithyniidae.

<i>Wattebledia baschi</i> species of mollusc

Wattebledia baschi is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Bithyniidae.

References

  1. Rintelen T. (2011). "Wattebledia siamensis". In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 28 March 2014.
  2. Kulsantiwong J., Prasopdee S., Ruangsittichai J., Ruangjirachuporn W., Boonmars T., Viyanant V., Pierossi P., Hebert P. D. N. & Tesana S. (2013). "DNA Barcode Identification of Freshwater Snails in the Family Bithyniidae from Thailand". PLoS ONE 8(11): e79144. doi : 10.1371/journal.pone.0079144.