MolluscaBase name details
original description
Dunker, W. (1850). Die Familie der Limnaeiden enthaltend die Genera Planorbis, Limnaeus, Physa und Amphipeplea. <em>Systematisches Conchylien-Cabinet.</em> 1(17): 21-28, 35-62, plates 5-10.
page(s): 45, pl. 9, figs. 14-19; pl. 16, figs. 22-25 [details]
additional source
Pilsbry, H. A. (1900). Notes on some southern Mexican shells. <em>The Nautilus.</em> 13(12): 139-141., available online at https://www.biodiversitylibrary.org/page/42800045
page(s): 139 [details]