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
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]