original description
(of Planorbis trivolvis var. pilsbryi F. C. Baker, 1926) Baker, F. C. (1926). New forms of <i>Planorbis</i> and <i>Lymnaea</i> with notes on other forms. <em>The Nautilus.</em> 39(4): 116-121., available online at https://www.biodiversitylibrary.org/page/8524751
page(s): 117 [details]
original description
(of Helisoma kennicotti F. C. Baker, 1945) Baker, F. C. (1945). The molluscan family Planorbidae. Collation, revision, and additions by Harley Jones Van Cleave. xxxvi + 530 pp., 1 portrait. [4 April]. Urbana (University of Illinois Press)., available online at https://www.biodiversitylibrary.org/page/6519705
page(s): 223, pl. 89, fig. 15 [details]
original description
(of Helisoma pilsbryi var. preblei F. C. Baker, 1945) Baker, F. C. (1945). The molluscan family Planorbidae. Collation, revision, and additions by Harley Jones Van Cleave. xxxvi + 530 pp., 1 portrait. [4 April]. Urbana (University of Illinois Press)., available online at https://www.biodiversitylibrary.org/page/6519705
page(s): 224, pl. 91, fig. 6 [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): 204 [details]
From editor or global species database
Type locality Tomahawk Lake, Oneida Co., Wisconsin, USA [details]