MolluscaBase taxon details
original description
(of Helisoma goodrichi A. B. Leonard & Franzen, 1944 †) Leonard, A.B.; Franzen, D.S. (1944). Mollusca of the Laverne Formation (Lower Pliocene) of Beaver County, Oklahoma. <em>The University of Kansas Science Bulletin.</em> 30(1): 15-39., available online at https://biodiversitylibrary.org/page/2994493
page(s): 25-26, pl. 5, fig. 22 [details]
basis of record
Berry, E. G. & Miller, B. B. (1966). A new Pleistocene fauna and a new species of <em>Biomphalaria</em> (Basommatophora: Planorbidae) from southwestern Kansas, U.S.A. <em>Malacologia.</em> 4(1): 261-267., available online at https://www.biodiversitylibrary.org/page/13147494
page(s): 265-266 [details]