Alzoniella slovenica
Encyclopedia
Alzoniella slovenica is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of very small or minute freshwater snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

 with an operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...

, an aquatic
Aquatic animal
An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...

 gastropod mollusk in the family Hydrobiidae, which are sometimes known as the snouted water snails.

Distribution

Distribution of this species is western carpathian.

This species is found in the White Carpathians
White Carpathians
The White Carpathians is the westernmost mountain range of the Carpathian Mountains.They are part of the Slovak-Moravian Carpathians, stretching from the Váh river and the Little Carpathians in the south along the border between the Czech Republic and Slovakia to the Morava and the Javorníky range...

. It is endemic to Moravia
Moravia
Moravia is a historical region in Central Europe in the east of the Czech Republic, and one of the former Czech lands, together with Bohemia and Silesia. It takes its name from the Morava River which rises in the northwest of the region...

 (Czech Republic) and in Slovakia.

Its conservation status in the Czech Republic is endangered and it is "rare“ in Slovakia.

IUCN conservation status

Alzoniella slovenica is listed in IUCN red list
IUCN Red List
The IUCN Red List of Threatened Species , founded in 1963, is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for Conservation of Nature is the world's main authority on the conservation status of species...

 under the following names:
  • Belgrandiella slovenica - vulnerable
    Vulnerable species
    On 30 January 2010, the IUCN Red List of Threatened Species identified 9694 Vulnerable species, subspecies and varieties, stocks and sub-populations.-References:...

     (VU)
  • Belgrandiella alticola - vulnerable (VU)
  • Belgrandiella bojnicensis - vulnerable (VU)
  • Belgrandiella komenskyi - data deficient
    Data Deficient
    Data Deficient is a category applied by the IUCN, other agencies, and individuals to a species when the available information is not sufficient for a proper assessment of conservation status to be made...

     (DD)

Biotope

It is a crenobiotic species: it lives in groundwater
Groundwater
Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock...

 and it can be found in water well
Water well
A water well is an excavation or structure created in the ground by digging, driving, boring or drilling to access groundwater in underground aquifers. The well water is drawn by an electric submersible pump, a trash pump, a vertical turbine pump, a handpump or a mechanical pump...

s.
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