A new Pyrgulopsis from Oregon
Berry, S. Stillman (Samuel Stillman), 1887-1984
Article
1947
The Nautilus
60
76--97
BioStor
English
Melbourne, Fla., etc American Malacologists, inc., etc
BioStor: https://biostor.org/reference/135761
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http://creativecommons.org/licenses/by-nc-sa/3.0/
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