''Ruthenica'' is a genus 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 gastropod mollusks that have shells (those without shells are known as ...

, a

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

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 includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the subfamily Clausiliinae of the family

Clausiliidae Clausiliidae, also known by their common name the door snails, are a taxonomic family of small, very elongate, mostly left-handed, air-breathing land snails, sinistral terrestrial pulmonate gastropod mollusks.MolluscaBase eds. (2020). MolluscaBa ...

, the door snails, all of which have a

clausilium The clausilium is a calcareous anatomical structure which is found in one group of air-breathing land snails: terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails. The clausilium is one part of the clausilial apparat ...

. MolluscaBase eds. (2020). MolluscaBase. Ruthenica Lindholm, 1924. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=996092 on 2020-08-25

Species

Species in the genus ''Ruthenica'' include: * ''

Ruthenica filograna ''Ruthenica filograna'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium. MolluscaBase eds. (2022). MolluscaBase. Ruthenica filograna ( ...

'' (Rossmässler, 1836) * '' Ruthenica gallinae'' (E. A. Bielz, 1861)

References

* Lindholm, W. A. (1924). A revised systematic list of the genera of the Clausiliidae, recent and fossil, with their subdivisions, synonymy, and types. Proceedings of the Malacological Society of London. 16 (1): 53‑80. London *Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017

External links

Clausiliidae {{Clausiliidae-stub