Pyrgulopsis aardahli

Benton Valley springsnail
Conservation status
	; Critically Imperiled (NatureServe)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Hydrobiidae
Genus:	Pyrgulopsis
Species:	P. aardahli
Binomial name
	Pyrgulopsis aardahli; Hershler, 1989

Pyrgulopsis aardahli, commonly known as the Benton Valley springsnail, is a species of freshwater snails in the family Hydrobiidae.[1][2]

This species' natural habitat is springs. It is endemic to a spring on the Bramlette Ranch, Mono County, California, United States.[3]

Description

Pyrgulopsis aardahli is a small snail that has a height of 2.6–3.4 millimetres (0.10–0.13 in) and ovate to conical shell. Its differentiated from other Pyrgulopsis in that its penis has a very small lobe and short filament with the penial ornament consisting of a small, circular terminal gland and a stalked ventral gland.[3]

References

"Pyrgulopsis aardahli Benton Valley Springsnail". NatureServe. 7 February 2012. Retrieved 3 January 2023.
"Pyrgulopsis aardahli Hershler, 1989". Integrated Taxonomic Information System. Retrieved 2 January 2023.
Hershler, Robert (1994). A review of the North American freshwater snail genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.

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[NatureServe-1] "Pyrgulopsis aardahli Benton Valley Springsnail". NatureServe. 7 February 2012. Retrieved 3 January 2023.

[ITIS-2] "Pyrgulopsis aardahli Hershler, 1989". Integrated Taxonomic Information System. Retrieved 2 January 2023.

[review-3] Hershler, Robert (1994). A review of the North American freshwater snail genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.