Badwater snail

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Badwater snail
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda

clade Hypsogastropoda
clade Littorinimorpha

Superfamily: Rissooidea
Family: Assimineidae
Genus: Assiminea
Species: A. infirma
Binomial name
Assiminea infirma
S.S. Berry, 1947

The Badwater snail, scientific name Assiminea infirma, is a species of minute, salt marsh snail; of the Badwater Basin in Death Valley, California, United States.

The Badwater snail are found only at low elevations near spring sources, and only in regions with relatively low precipitation. They are capable of living completely submerged in the spring water.

This species is endemic to the Mojave Desert in California.


  • Berry, S. S. "A surprising molluscan discovery in Death Valley." Leaflets in Malacology 1 (1947): 5-8.
  • Mollusc Specialist Group 1996. Assiminea infirma.
  • 2006 IUCN Red List of Threatened Species. Downloaded on 6 August 2007.
  • 2013 Encyclopedia of Life, Assiminea infima Downloaded on 6 June 2013
  • Johnson, P.D., Bogan, A.E., Brown, K.M., Burkhead, N.M., Cordeiro, J.R., Garner, J.T., Hartfield, P.D., Lepitzki, D.A.W., Mackie, G.L., Pip, E., Tarpley, T.A., Tiemann, J.S., Whelan, N.V. and Strong, E.E. 2013. Conservation Status of Freshwater Gastropods of Canada and the United States. Fisheries 38(6): 247-282