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Ouachita pebblesnail
Conservation status
Extinct  (IUCN 3.1)
Presumed Extinct  (NatureServe)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Neotaenioglossa
Family:	Lithoglyphidae
Genus:	Somatogyrus
Species:	†S. amnicoloides
Binomial name
†Somatogyrus amnicoloides Walker, 1915

The Ouachita pebblesnail, scientific name †Somatogyrus amnicoloides, was a species of small freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the family Hydrobiidae.

The species was endemic to the United States. Its natural habitat was rivers, and it was named after the Ouachita River. The species is now extinct.

References

1. Mollusc Specialist Group (2000). "Somatogyrus amnicoloides". IUCN Red List of Threatened Species. 2000: e.T20350A9189869. doi:10.2305/IUCN.UK.2000.RLTS.T20350A9189869.en. Retrieved 20 February 2023.
2. "Somatogyrus amnicoloides". NatureServe Explorer An online encyclopedia of life. 7.1. NatureServe. Retrieved 20 February 2023.

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