MolluscaBase taxon details
basis of record
Johnson, P. D.; Bogan, A. E.; Brown, K. M.; Burkhead, N. M.; Cordeiro, J. R.; Garner, J. T.; Hartfield, P. D.; Lepitzki, D. A. W.; Mackie, G. L.; Tarpley, T. A.; Tiemann, J. S.; Whelan, N. V.; Strong, E. E. (2013). Conservation status of freshwater gastropods of Canada and the United States. <em>Fisheries.</em> 38(6): 247-282., available online at http://www.tandfonline.com/doi/abs/10.1080/03632415.2013.785396 [details] Available for editors [request]
additional source
van der Schalie, H. & Berry, E. G. (1948). Aquatic pulmonates from Lake Tahoe. <em>The Nautilus.</em> 62(1): 4-5, pl. 11., available online at https://www.biodiversitylibrary.org/page/8519540
page(s): 4-5, pl. 11, fig. 3 [details]
status source
Clarke, A. H. (1981). <i>The freshwater molluscs of Canada</i>. National Museum of Natural Sciences, Ottawa, Canada. pp. 1-446. , available online at https://www.biodiversitylibrary.org/page/53638436
page(s): 182, fig. 69; note: treated as valid [details]