original description
(of Fossaria perplexa F. C. Baker & J. Henderson, 1929) Baker, F. C. & Henderson, J. (1929). <i>Fossaria perplexa</i>. <em>The Nautilus.</em> 42(3): 103-104., available online at https://www.biodiversitylibrary.org/page/8518888 [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
Burch, J. B. (1989). <i>North American freshwater snails</i>. Malacological Publications, Hamburg, Michigan. pp. i-viii, 1-365.
page(s): 174 [details]
From editor or global species database
Type locality USA, Washington, West end Park Lake, Grand Coulee [details]