Crystal Spring springsnail (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Crystal Spring springsnail" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

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archive.org

Hershler, Robert (1994). A Review of the North American Freshwater Snail Genus Pyrgulopsis (Hydrobiidae). Washington, DC: Smithsonian Institution Press.

doi.org

Mollusc Specialist Group (1996). "Pyrgulopsis crystalis". IUCN Red List of Threatened Species. 1996: e.T18964A8758872. doi:10.2305/IUCN.UK.1996.RLTS.T18964A8758872.en. Retrieved 17 November 2021.

iucnredlist.org

Mollusc Specialist Group (1996). "Pyrgulopsis crystalis". IUCN Red List of Threatened Species. 1996: e.T18964A8758872. doi:10.2305/IUCN.UK.1996.RLTS.T18964A8758872.en. Retrieved 17 November 2021.