Ohio pebblesnail

The Ohio pebblesnail (Somatogyrus integra) is a species of very small freshwater snail with an operculum. It is an aquatic gastropod mollusc in the family Lithoglyphidae.

Ohio pebblesnail
Conservation status
Imperiled  (NatureServe)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Lithoglyphidae
Genus:	Somatogyrus
Species:	S. integra
Binomial name
Somatogyrus integra (Say, 1829)
Synonyms[2]
Melania integra Say, 1829 Somatogyrus integer (Say, 1829)

Distribution

This species is endemic to the Ohio River and tributaries in Ohio, Illinois, Indiana, Kentucky and Pennsylvania in the United States.^[1]