''Stenotrema'' 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 are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

which is usually closely guarded by well-developed "teeth".

Distribution

The genus occurs throughout most of North America, from Alaska, though Canada and the United States, into Mexico.Pilsbry, Henry A. 1940. ''Land Mollusca of North America (North of Mexico)''. Acad. Nat. Sci. Philadelphia, Monograph 3, vol. 1(2): 639-688.

Species

Genus ''Stenotrema'' contains the following species and subspecies: *'' Stenotrema altispira'' (Pilsbry, 1894) *'' Stenotrema angellum'' Hubricht, 1858 *'' Stenotrema barbigerum'' (Redfield, 1856) *'' Stenotrema blandianum'' (Pilsbry, 1903) *'' Stenotrema brevipila'' (Clap, 1907) *''

Stenotrema burringtoni ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' Grimm, 1971 *'' Stenotrema calvescens'' Hubricht, 1961 *'' Stenotrema cohuttense'' (Clapp, 1914) *'' Stenotrema deceptum'' (Clapp, 1905) *''

Stenotrema depilatum ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Pilsbry, 1895) *''

Stenotrema edgarianum ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Lea, 1841) *''

Stenotrema edvardsi ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Bland, 1856) *''

Stenotrema exodon ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Pilsbry, 1900) **''

Stenotrema exodon turbinella ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Clench & Archer, 1933) *''

Stenotrema florida ''Stenotrema florida'', common name the Apalachicola slitmouth, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae Polygyridae is a family of air-breathing land snails, terrestrial p ...

'' Pilsbry, 1940 *''

Stenotrema hirsutum ''Stenotrema hirsutum'', common name hairy slitmouth, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae Polygyridae is a family of air-breathing land snails, terrestrial pulmonate g ...

'' (Say, 1817) **''

Stenotrema hirsutum barbatum ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Clapp, 1904) * ''

Stenotrema hubrichti ''Stenotrema hubrichti'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae. This species is endemic to the United States The United States of America (U.S.A. or USA), commonly ...

'' Pilsbry, 1940 / ''

Euchemotrema hubrichti ''Euchemotrema'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. Shell description The shell of species in this genus is usually about 8 to 11 mm in diameter (about 3/8 in ...

'' (Pilsbry, 1940) *''

Stenotrema labrosum ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Bland 1862) *''

Stenotrema magnifumosum ''Stenotrema'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy shell surface, and a narrow aperture which is ...

'' (Pilsbry, 1900) *''

Stenotrema maxillatum ''Stenotrema'' is a genus of air-breathing land snails, terrestrial animal, terrestrial pulmonate gastropod molluscs in the family Polygyridae. These are typically small to medium-sized snails, with a velvety or hairy gastropod shell, shell surfa ...

'' (Gould, 1848) *'' Stenotrema pilsbryi'' (Ferriss, 1900) - Rich Mountain Slitmouth *'' Stenotrema pilula'' (Pilsbry, 1900) *'' Stenotrema simile'' Grimm, 1971 *'' Stenotrema spinosum'' (Lea, 1830) *'' Stenotrema stenotrema'' (Pfeiffer, 1842) *'' Stenotrema unciferum'' (Pilsbry, 1900) *'' Stenotrema unciferum caddoense'' (Archer, 1935) *'' Stenotrema waldense'' Archer, 1938 See ''

Euchemotrema ''Euchemotrema'' is a genus of small, air-breathing land snails, terrestrial animal, terrestrial pulmonate gastropod molluscs in the family Polygyridae. Shell description The shell of species in this genus is usually about 8 to 11 mm in dia ...

'' for other closely related taxa, many of which are sometimes placed in ''Stenotrema''.

References

{{Authority control Polygyridae Taxa named by Constantine Samuel Rafinesque Taxonomy articles created by Polbot Gastropod genera