Angular pebblesnail

The angular pebblesnail, scientific name Somatogyrus biangulatus, is a species of very small freshwater snail with an operculum, an aquatic operculate gastropod mollusk in the Hydrobiidae family. This species is endemic to the United States. Its natural habitat is rivers.[1] This snail is only located in specific freshwater cave environments and has not been extensively studied.

Angular pebblesnail
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Truncatelloidea
Family:
Hydrobiidae
Genus:
Somatogyrus
Species:
S. biangulatus
Binomial name
Somatogyrus biangulatus
Walker, 1906

References
  1. Cordeiro, J. & Perez, K. (2011). "Somatogyrus biangulatus". The IUCN Red List of Threatened Species. IUCN. 2011: e.T20352A9190181. doi:10.2305/IUCN.UK.2011-2.RLTS.T20352A9190181.en. Retrieved 10 January 2018.


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