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Pyrgulopsis umbilicata Hershler 1998
urn:lsid:organismnames.com:name:1302147
Microreference
81
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Pyrgulopsis umbilicata Hershler 1998
Hershler 1998. A systematic review of the hydrobiid snails (Gastropoda: Rissooidea) of the Great Basin, western United States. Part 1. Genus Pyrgulopsis. Veliger, 41(1), January 2 1998: 1-132