Stenotrema

Stenotrema
A live individual of Stenotrema hirsutum
Three views of a shell of Stenotrema florida, with a close-up view of the periostracal "hairs" that are typical of the genus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily: Helicoidea
Family: Polygyridae
Genus: Stenotrema
Rafinesque, 1819[1]

Stenotrema is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks 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 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.[2]

Species

Genus Stenotrema contains the following species and subspecies:[2][3]

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

References

  1. Rafinesque C. S. (1815). Analyse 136 [n.n.]; Rafinesque C. S. (1819). Journ. de Physique 88: 425.
  2. 1 2 Pilsbry, Henry A. 1940. Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, vol. 1(2): 639-688.
  3. Stenotrema at ITIS (Integrated Taxonomic Information System); accessed 11 Jan. 2008.
  4. Mollusc Specialist Group (1996). Stenotrema hubrichti. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.

External links

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