Traits taxon details
original description
Pilsbry, H. A. (1926). Costa Rican land shells collected by A. A. Olsson. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 78: 127-133. page(s): 131, text-fig. 3 [details] Available for editors 
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors 
From editor or global species database
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