Reverse pebblesnail

The reverse pebblesnail, scientific name Somatogyrus alcoviensis, was a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.

Reverse pebblesnail
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Truncatelloidea
Family:
Hydrobiidae
Genus:
Somatogyrus
Species:
†S. alcoviensis
Binomial name
†Somatogyrus alcoviensis
Krieger, 1972

This species was endemic to the United States. It is now extinct.

References
    • Bogan A. E. (2000). "Somatogyrus alcoviensis". The IUCN Red List of Threatened Species. IUCN. 2000: e.T40053A10311559. doi:10.2305/IUCN.UK.2000.RLTS.T40053A10311559.en. Retrieved 15 January 2018.


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