Traits taxon details
original description
Dall, W. H. (1912). New species of fossil shells from Panama and Costa Rica collected by D. F. MacDonald. <em>Smithsonian Miscellaneous Collections.</em> 59(2): 1-10., available online at https://www.biodiversitylibrary.org/page/8814665 page(s): 2, pl. 1 fig. 1-2; note: Typelocality: Canal Zone, Pirri Range [details]
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