''Cryptomastix'' 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 ...

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 ...

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. 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 o ...

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 ...

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 in the family

Polygyridae Polygyridae is a family (biology), family of air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.MolluscaBase eds. (2021). MolluscaBase. Polygyridae Pilsbry, 1895. Accessed thro ...

. These snails cannot be differentiated from related polygyrids solely on the basis of their shell characters. Instead, the details of the male anatomy must be examined.

Distribution

This genus of snails is restricted to the northwestern

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, and to adjacent areas of

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

.Pilsbry, Henry A. (1940). Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, vol. 1(2): 852-875.

Species

This genus includes the following species:
Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. ''The Animal Diversity Web (online)''. *'' Cryptomastix devia'' (Gould, 1846); Puget Oregonian *'' Cryptomastix germana'' (Gould, 1851); Pygmy Oregonian **'' Cryptomastix germana vancouverinsulae'' (Pilsbry and Cooke, 1922) *'' Cryptomastix harfordiana'' (W. G. Binney; 1886); Salmon Oregonian *'' Cryptomastix hendersoni'' (Pilsbry, 1928); Columbia Oregonian *'' Cryptomastix magnidentata'' (Pilsbry, 1940); Mission Creek Oregonian *'' Cryptomastix mullani'' (Bland and J. G. Cooper, 1861); Coeur d'Alene Oregonian **'' Cryptomastix mullani blandi'' (Hemphill, 1892) **'' Cryptomastix mullani clappi'' (Hemphill, 1897) **'' Cryptomastix mullani hemphilli'' (W. G. Binney, 1886) **'' Cryptomastix mullani latilabris'' (Pilsbry, 1940) **'' Cryptomastix mullani olneyae'' (Pilsbry, 1891) **'' Cryptomastix mullani tuckeri'' (Pilsbry and Henderson, 1930) *'' Cryptomastix sanburni'' (W. G. Binney, 1886); Kingston Oregonian

References

{{Taxonbar, from=Q3075104 Polygyridae Gastropod genera Taxonomy articles created by Polbot