''Benedictia maxima'' is a

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

freshwater snail Freshwater snails are gastropod mollusks which 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 ...

with an operculum, an aquatic gastropod mollusc in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Lithoglyphidae.

Subspecies

* ''Benedictia maxima maxima'' (W. Dybowski, 1875) * ''Benedictia maxima marisminus'' (Sitnikova, 1987) Sitnikova T. Ya. �итникова Т.Я.(1987). "К систематике байкальских эндемичных моллюсков семейства Benedictiidae (Gastropoda, Pectinibranchia) o the systematics of baikalian endemic molluscs of the family Benedictiidae (Gastropoda, Pectinibranchia). Зоологический Журнал ''Zoologicheskij Zhurnal'' 66(10): 1463–1476. page 1474, fig. 3-4.

Distribution

''Benedictia maxima maxima'' lives in the southern and central parts of

Lake Baikal Lake Baikal (, russian: Oзеро Байкал, Ozero Baykal ); mn, Байгал нуур, Baigal nuur) is a rift lake in Russia. It is situated in southern Siberia, between the Federal subjects of Russia, federal subjects of Irkutsk Oblast, I ...

, Siberia, in depths from 40 to 260 m.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"
Version 2.3.1.
/ref> The

type locality Type locality may refer to: * Type locality (biology) * Type locality (geology) See also * Local (disambiguation) * Locality (disambiguation) {{disambiguation ...

for ''Benedictia maxima maxima'' is Kultuk, in southern Baikal. ''Benedictia maxima marisminus'' lives in the northern part of

, in depths from 20 to 220 m. The type locality for ''Benedictia maxima marisminus'' is

Maloe More Maloe More (russian: Малое Море; in English literally ''the Small Sea'') is a strait in Lake Baikal, Russia. It separates the largest island of the lake, Olkhon Island, from the western shore of Baikal. The length of the strait is abo ...

, in northern Baikal.

References

External links

Lithoglyphidae Gastropods described in 1875 {{Caenogastropoda-stub