''Cryptomastix'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

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 ...

s, terrestrial

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 ...

mollusc 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 esti ...

s in the family

Polygyridae Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea. MolluscaBase eds. (2021). MolluscaBase. Polygyridae Pilsbry, 1895. Accessed through: World Register of Marine Species a ...

. 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 (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

, and to adjacent areas of

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

.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 ''Cryptomastix'' is a genus of air-breathing land snails, terrestrial animal, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These snails cannot be differentiated from related polygyrids solely on the basis of their shell ch ...

'' (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 ''Cryptomastix mullani'' is a species of air-breathing land snail, a terrestrial animal, terrestrial pulmonate gastropod mollusc in the family Polygyridae. Subspecies *''Cryptomastix mullani blandi'' (Hemphill, 1892) *''Cryptomastix mullani cla ...

'' (Bland and J. G. Cooper, 1861); Coeur d'Alene Oregonian **''

Cryptomastix mullani blandi ''Cryptomastix'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These snails cannot be differentiated from related polygyrids solely on the basis of their shell characters. Instead, ...

'' (Hemphill, 1892) **''

Cryptomastix mullani clappi ''Cryptomastix'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These snails cannot be differentiated from related polygyrids solely on the basis of their shell characters. Instead, ...

'' (Hemphill, 1897) **''

Cryptomastix mullani hemphilli ''Cryptomastix'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These snails cannot be differentiated from related polygyrids solely on the basis of their shell characters. Instead, ...

'' (W. G. Binney, 1886) **''

Cryptomastix mullani latilabris ''Cryptomastix'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These snails cannot be differentiated from related polygyrids solely on the basis of their shell characters. Instead, ...

'' (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