Packard, A. S. Jr. (1877). On a new cave fauna in Utah. <em>Bulletin of the United States Geological and Geographical Survey of the Territories.</em> 3(1): 157-179., available online athttps://www.biodiversitylibrary.org/page/31645843 page(s): 161-163, Fig. 6 [details]
original descriptionPackard, A. S. Jr. (1877). On a new cave fauna in Utah. <em>Bulletin of the United States Geological and Geographical Survey of the Territories.</em> 3(1): 157-179., available online athttps://www.biodiversitylibrary.org/page/31645843 page(s): 161-163, Fig. 6 [details]
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