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Alzoniella

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Genus of gastropods

Alzoniella
Apertural view of a shell of Alzoniella slovenica
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Truncatelloidea
Family: Hydrobiidae
Subfamily: Islamiinae
Genus: Alzoniella
Giusti & Bodon, 1984
Type species
Alzoniella finalina Fo. Giusti & Bodon, 1984 (type by original designation)
Synonyms

Alzoniella (Alzoniella) Fo. Giusti & Bodon, 1984 alternative representation

Alzoniella is a genus of minute freshwater spring snails, aquatic gastropod mollusks or micromollusks in the subfamily Islamiinae of the family Hydrobiidae.

Description

All the species within the snail genus Alzoniella are crenobiotic, i.e. they are dependent on springs as a habitat. Some are stygobiont, i.e. living exclusively in underground rivers. They are tiny to minute, usually with delicate, elongated, white or translucent shells. The conical to cylindrical-conical shells often have smooth or finely striated surfaces, and the three to four whorls are quite convex (except the body whorl) with deep sutures.

Distribution

Alzoniella is primarily found in Europe (mainly in Spain), often in very localized, isolated habitats, with some species restricted to underground freshwater habitats such as specific springs or cave systems.

Species

The genus Alzoniella contains the following species:

Synonyms
  • Alzoniella (Navarriella) Boeters, 2000 : synonym of Navarriella Boeters, 2000 (superseded combination)
  • Alzoniella elliptica (Paladilhe, 1874) : synonym of Navarriella elliptica (Paladilhe, 1874) (superseded combination)
  • Alzoniella pellitica Arconada, Rolán & Boeters, 2007: synonym of Navarriella elliptica (Paladilhe, 1874) (junior subjective synonym)

References

  1. Giusti & Bodon (1984). Archiv für Molluskenkunde 114(4-6): 160.
  2. MolluscaBase eds. (2024). MolluscaBase. Alzoniella Fo. Giusti & Bodon, 1984. Accessed through: World Register of Marine * At: https://www.marinespecies.org/aphia.php?p=taxdetails&id=475215 on 2024-09-25
  3. Introduction to crenophile, crenobiont, stygophile and stygobiont shelled mollusca of continental France
  • Giusti, F. & Bodo (1984). "Notulae malacologicae, XXXI. Nuove Hydrobiidae dell'Italia nord-occidentale. (Gastropoda: Prosobranchia)". Archiv für Molluskenkunde. 114 (4–6): 159.

External links

Taxon identifiers
Alzoniella


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