The Badwater snail (''Angustassiminea infima'') is a species of small

salt marsh A salt marsh, saltmarsh or salting, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. I ...

snail A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial molluscs, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gas ...

endemic to the

Badwater Basin Badwater Basin is an endorheic basin in Death Valley National Park, Death Valley, Inyo County, California, noted as the lowest point in North America and the United States, with a depth of below sea level. Mount Whitney, the highest point ...

Death Valley Death Valley is a desert valley in Eastern California, in the northern Mojave Desert, bordering the Great Basin Desert. It is thought to be the Highest temperature recorded on Earth, hottest place on Earth during summer. Death Valley's Badwat ...

. It is found only at low elevations near spring sources, and only in regions with relatively low precipitation. It is capable of living completely submerged in the spring water. The species was described in 1947. Water level decreases and trampling from hikers threaten the Badwater snail, and as of 2001 the Badwater snail is at only approximately 15% of their natural population distribution.

References

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 Assimineidae Death Valley Fauna of the Mojave Desert Endemic fauna of California Endemic molluscs of the United States Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Assimineidae-stub