Duckwater pyrg

The Duckwater pyrg, scientific name Pyrgulopsis aloba, is a species of freshwater snail in the family Hydrobiidae.^[2][4] It is endemic to the United States and only known from two springs in the Duckwater Reservation, Nye County, Nevada.^[2]

Duckwater pyrg
Conservation status
Endangered  (IUCN 2.3)[1]
Critically Imperiled  (NatureServe)[2]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Hydrobiidae
Genus:	Pyrgulopsis
Species:	P. aloba
Binomial name
Pyrgulopsis aloba Hershler, 1998[3]

It is a small Pyrgulopsis with a shell height of 1–1.9 mm (0.04–0.07 in) and shell width of 1–1.7 mm (0.04–0.07 in).^[3]

References

1. Mollusc Specialist Group (2000). "Pyrgulopsis aloba". IUCN Red List of Threatened Species. 2000: e.T40051A10311461. doi:10.2305/IUCN.UK.2000.RLTS.T40051A10311461.en. Retrieved 14 November 2021.
2. "Pyrgulopsis aloba Duckwater Pyrg". NatureServe. 14 September 1999. Retrieved 3 January 2023.
3. Hershler, Robert (1998). "A systematic review of the hydrobiid snails (Gastropoda: Rissooidea) of the Great Basin, western United States. Part I. Genus Pyrgulopsis". The Veliger. 41: 1–132 [60–62]. hdl:10088/7293.
4. "Pyrgulopsis aloba Hershler, 1998". Integrated Taxonomic Information System. Retrieved 3 January 2023.