MolluscaBase name details
original description
Pilsbry, H. A. (1920). Mollusca from Central America and Mexico. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 71: 212-223, pl. 11., available online at https://biodiversitylibrary.org/page/26285845
page(s): 216, pl. 11, figs. 7, 7a [details]
additional source
Baker, H. B. (1925). The Mollusca collected by the University of Michigan-Williamson Expedition in Venezuela, Part III: Pupillidae to Oleacinidae. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 156: 1-56, pls. 6-11., available online at https://deepblue.lib.umich.edu/bitstream/handle/2027.42/56595/OP156.pdf?sequence=1&isAllowed=y
page(s): 13 [details]
From editor or global species database