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
Walker, B. (1907). A new species <i>Segmentina</i>. <em>The Nautilus.</em> 20(11): 122-124, plate 7., available online at https://www.biodiversitylibrary.org/page/1757655
page(s): pl. 7, figs. 1-3 [details]
additional source
Marsh, W. A. (1889). Brief notes on the land and fresh-water shells of Mercer County, Ill. <em>The Nautilus.</em> 3(2): 23-24; 3(3): 34-35., available online at https://www.biodiversitylibrary.org/page/12596393
page(s): 34 [details]
From editor or global species database
Type locality USA, Upper Missouri River [details]