Dwarf pebblesnail

The dwarf pebblesnail, scientific name Somatogyrus nanus, is a species of very small or minute species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.

Dwarf pebblesnail

Critically endangered, possibly extinct  (IUCN 2.3)[1]
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Truncatelloidea
Family:
Hydrobiidae
Genus:
Somatogyrus
Species:
S. nanus
Binomial name
Somatogyrus nanus
Walker, 1904

This species is endemic to the United States. Its natural habitat is rivers.

References
  1. Mollusc Specialist Group (2000). "Somatogyrus nanus". IUCN Red List of Threatened Species. 2000: e.T20362A9191633. doi:10.2305/IUCN.UK.2000.RLTS.T20362A9191633.en.


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