Traits name details
original description
Cockerell, T. D. A. (1887). [A letter to:] Editor The Conchologist's Exchange. <em>The Conchologist's Exchange.</em> 2(5): 68., available online at https://www.biodiversitylibrary.org/page/28529020 page(s): 68 [details]
additional source
Pilsbry, H. A. (1900). Land shells from Rejectamenta of the Rio Grande at Mesilla, New Mexico, and of the Gallinas R. at Las Vegas, N. M. <em>The Nautilus.</em> 14(1): 9-10., available online at https://www.biodiversitylibrary.org/page/42800067 [details]
additional source
Vanatta, E. G. (1896). The geographic distribution of <i>Planorbis umbilicatellus</i>. <em>The Nautilus.</em> 9(10): 117., available online at https://www.biodiversitylibrary.org/page/1731462 [details]
additional source
Taylor, G. W. (1897). <i>Planorbis nautileus</i> L. in America. <em>The Nautilus.</em> 10(11): 139-140., available online at https://www.biodiversitylibrary.org/page/1819068 [details]
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