Gould, A. A. (1855). New species of land and fresh-water shells from Western (N.) America. <em>Proceedings of the Boston Society of Natural History.</em> 5: 127-130., available online athttps://www.biodiversitylibrary.org/page/8871264 page(s): 130 [details]
original descriptionGould, A. A. (1855). New species of land and fresh-water shells from Western (N.) America. <em>Proceedings of the Boston Society of Natural History.</em> 5: 127-130., available online athttps://www.biodiversitylibrary.org/page/8871264 page(s): 130 [details]