Duckwater pyrg
The Duckwater pyrg, scientific name Pyrgulopsis aloba, is a species of freshwater snail in the family Hydrobiidae. It is endemic to the United States and only known from two springs in the Duckwater Reservation, Nye County, Nevada. It is a small Pyrgulopsis with a shell height of  and shell width of . References

Pyrgulopsis
Molluscs of the United States
Endemic fauna of Nevada
Freshwater animals of North America
Gastropods described in 1998
Taxonomy articles created by Polbot