Amargosa tryonia

The Amargosa tryonia, scientific name Tryonia variegata, is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Hydrobiidae. This species is endemic to California, United States. The common name refers to the Amargosa River.

Amargosa tryonia
Conservation status
Data Deficient  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Hydrobiidae
Genus:	Tryonia
Species:	T. variegata
Binomial name
Tryonia variegata Hershler & Sada, 1987