Chupadera Pyrg (Pyrgulopsis chupaderae)

The Chupadera Pyrg was described in 1987, it was restricted to its type locality, Willow Spring on the Cienaga Ranch at the southern end of the Chupadera Mountains in Socorro County, New Mexico, USA. [1]

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There appears to be a last surviving population of this species located on private land, however, given the fact that groundwater pumping is not really regulated, this last population may already be extinct as well, this cannot be proven because the landowners are uncooperative. [2]

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References:

[1] Robert Hershler: A review of the North American freshwater snail genus Pyrgulopsis (Hydrobiidae). Smithsonian Libraries 554(554): 1-115. 1994
[2] Robert hershler; Hsiu-Ping Liu; Jeanette Howard: Springsnails: A new conservation focus in western North America. BioScience 64(8): 693-700. 2014 

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edited: 01.05.2019