''Benedictia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

freshwater snail Freshwater snails are gastropod mollusks that live in fresh water. 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 t ...

s with an operculum,

aquatic Aquatic means relating to water; living in or near water or taking place in water; does not include groundwater, as "aquatic" implies an environment where plants and animals live. Aquatic(s) may also refer to: * Aquatic animal, either vertebrate ...

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 ...

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

s or

micromollusc A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine molluscs, although in addition, numerous species of land snails and freshwater molluscs also ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Lithoglyphidae Lithoglyphidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks. This family is in the superfamily Truncatelloidea and in the clade Littorinimorpha (according to the taxonomy of the Gastropoda by ...

. ''Benedictia'' is the

type genus In biological taxonomy, the type genus (''genus typica'') is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International Code of Zoological Nomenclature, "The name-bearin ...

of the subfamily Benedictiinae.

Distribution

The genus ''Benedictia'' is endemic to

Lake Baikal Lake Baikal is a rift lake and the deepest lake in the world. It is situated in southern Siberia, Russia between the Federal subjects of Russia, federal subjects of Irkutsk Oblast, Irkutsk Oblasts of Russia, Oblast to the northwest and the Repu ...

Species

Species within the genus ''Benedictia'' include: * '' Benedictia baicalensis'' (Gerstfeldt, 1859)Kantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories"
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. * '' Benedictia distinguenda'' Lindholm, 1924 ** ''Benedictia distinguenda lamuana'' Sitnikova, 1987 * '' Benedictia fragilis'' W. Dybowski, 1875 - type species * '' Benedictia kotyensis'' Matiokin, Dzuban & Sitnikova, 1988 Матекин П. В., Дзубан Т. А. & Ситникова Т. Я. atiokin P. V., Dzuban T. A.& Sitnikova T. Ya. (1988). "О новом виде рода ''Benedictia'' (Gastropoda, Benedictiidae) из озера Байкал". New species of the genus ''Benedictia'' (Gastropoda, Benedictiidae) from Baikal Lake". ''Зоологический Журнал'' ''Zoologicheskij Zhurnal'' 67(1): 129-135. * ''Benedictia limnaeoides'' (Schrenck, 1867) ** ''Benedictia limnaeoides ongurensis'' Kozhov, 1936 ** ''Benedictia limnaeoides litoralis'' Kozhov, 1936 * '' Benedictia maxima'' (W. Dybowski, 1875) ** ''Benedictia maxima marisminus'' Sitnikova, 1987 * '' Benedictia nana'' Beckman & Starobogatov, 1975 * '' Benedictia pulchella'' Sitnikova, 1987 * ''Benedictia pulchella sarmensis'' Sitnikova, 1987 * '' Benedictia pumyla'' (Lindholm, 1924) * '' Benedictia shadini'' Beckman & Starobogatov, 1975

References

Lithoglyphidae Endemic fauna of Russia Fauna of Lake Baikal {{Caenogastropoda-stub