MolluscaBase name details
original description
(of Planorbis corpulentus Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 262, Pl. 15, Fig. 9 [details]
basis of record
Baker, F. C. (1929). Mollusca from Vermilion and Pelican lakes, Minnesota, with the description of a new variety of <i>Helisoma corpulenta</i>. <em>The Nautilus.</em> 42(3): 95-97, 42(4): 131-136., available online at https://www.biodiversitylibrary.org/page/8518878
page(s): 131 [details]
additional source
Baker, F. C. (1932). New species and varieties of <i>Helisoma</i> and <i>Gyraulus</i> from Canada. <em>The Nautilus.</em> 46(1): 6-9., available online at https://www.biodiversitylibrary.org/page/8519347#page/18/
page(s): 6 [details]