''Xerocrassa cisternasi'' is a

species 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. It is the basic unit of Taxonomy (biology), ...

of air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial molluscs, terrestrial gastropod mollusks that have gastropod shell, shel ...

, a

pulmonate Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group inclu ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

in the family

Geomitridae Geomitridae is a taxonomic family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea Helicoidea is a Taxonomy (biology), taxonomic Taxonomic rank, superfamily of air-b ...

. MolluscaBase eds. (2022). MolluscaBase. Xerocrassa cisternasi (Hidalgo, 1883). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1050689 on 2022-08-08 The species joined at least 10 subspecies * ''Xerocrassa cisternasi calasaladae'' (Jaeckel, 1952) * ''Xerocrassa cisternasi calderensis'' (Gasull, 1964) * ''Xerocrassa cisternasi canae'' (Jaeckel, 1952) * ''Xerocrassa cisternasi cisternasi'' (Hidalgo, 1883) * ''Xerocrassa cisternasi conjungens'' (S. H. F. Jaeckel, 1952) * ''Xerocrassa cisternasi hortae'' (Schröder, 1978) * ''Xerocrassa cisternasi margaritae'' (Jaeckel, 1952) * ''Xerocrassa cisternasi mesquidae'' (Schröder, 1978) * ''Xerocrassa cisternasi muradae'' (Jaeckel, 1952) * ''Xerocrassa cisternasi ortizi'' (Gasull, 1964) * ' (Jaeckel, 1952) * ''Xerocrassa cisternasi scopulicola'' (Bofill & Aguilar-Amat, 1924) * ''Xerocrassa cisternasi vedrae'' (S. H. F. Jaeckel, 1952) * ''Xerocrassa cisternasi vedranellensis'' (S. H. F. Jaeckel, 1952)

Distribution

This species is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

, where it is restricted to the north-eastern part of the island of

Ibiza Ibiza (; ; ; #Names and pronunciation, see below) or Iviza is a Spanish island in the Mediterranean Sea off the eastern coast of the Iberian Peninsula. It is 150 kilometres (93 miles) from the city of Valencia. It is the third largest of th ...

and the surrounding islets.

References

* Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017. caroli Molluscs of Europe Endemic fauna of the Balearic Islands Gastropods described in 1883 {{Geomitridae-stub