Baker, F. C. (1936). New Lymnaeidae from the United States and Canada. II. Michigan, Minnesota, and Montana. <em>The Nautilus.</em> 49(4): 127-130., available online athttps://www.biodiversitylibrary.org/page/8527770 page(s): 130, pl. 7, fig. 7 [details]
original descriptionBaker, F. C. (1936). New Lymnaeidae from the United States and Canada. II. Michigan, Minnesota, and Montana. <em>The Nautilus.</em> 49(4): 127-130., available online athttps://www.biodiversitylibrary.org/page/8527770 page(s): 130, pl. 7, fig. 7 [details]