Atlas pebblesnail

The atlas pebblesnail (Somatogyrus humerosus) is a species of minute freshwater snail that has an operculum, an aquatic operculate gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States. Its natural habitat is rivers.

Atlas 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. humerosus
Binomial name
Somatogyrus humerosus
Walker, 1906

References
  1. Mollusc Specialist Group (2000). "Somatogyrus humerosus". IUCN Red List of Threatened Species. 2000: e.T20361A9191544. doi:10.2305/IUCN.UK.2000.RLTS.T20361A9191544.en.


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