Grated tryonia

The grated tryonia, also known as the White River snail, scientific name Tryonia clathrata, is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusc in the family Hydrobiidae. This species is endemic to the United States.

Grated 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. clathrata
Binomial name
Tryonia clathrata Stimpson, 1865