original description
(of Lymnaea heterostropha Say, 1817) Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 1, fig. 6 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
additional source
Crandall, O. A. (1901). The America Physae. <em>The Nautilus.</em> 15(3): 25-30., available online at https://www.biodiversitylibrary.org/page/1738404
page(s): 28-30 [details]
additional source
Baker, F. C. (1900). A revision of the physae of northeastern Illinois. <em>The Nautilus.</em> 14(2): 16-24, text-figures 1-7 [June]., available online at https://www.biodiversitylibrary.org/page/42800074
page(s): 17-18, text-figure 1 [details]
additional source
Frankenberger, Z. (1914). <i>Physa heterostropha</i> Say in Europe. <em>The Nautilus.</em> 27(10): 112-113., available online at https://www.biodiversitylibrary.org/page/1752637 [details]
additional source
Boettger, C. R. (1914). "<i>Physa heterostropha</i> Say" in Europe. <em>The Nautilus.</em> 28(6): 69-70, pl. 3, fig. A., available online at https://www.biodiversitylibrary.org/page/1750526 [details]
additional source
Crandall, O. A. (1892). <i>Physa heterostropha</i>. <em>The Nautilus.</em> 6(2): 20-21., available online at https://www.biodiversitylibrary.org/page/42788970 [details]
additional source
Dillon, R. T., Jr. & Wethington, A. R. (1994). Inheritance at five loci in the freshwater snail, <i>Physa heterostropha</i>. <em>Biochemical Genetics.</em> 32(3-4): 75-82. [details]
additional source
Wurtz, C. B. (1949). <i>Physa heterostropha</i> (Say). <em>The Nautilus.</em> 63(1): 20-33, pl. 2, text-fig. 1., available online at https://www.biodiversitylibrary.org/page/8520493 [details]
additional source
Clench, W. J. (1969). The <i>Physa striata</i> complex. <em>The Nautilus.</em> 83(2): 73., available online at https://www.biodiversitylibrary.org/page/8515341 [details]
additional source
Elrod, M. J. (1902). Collecting shells in Montana. <em>The Nautilus.</em> 15(9): 103-104; 15(10): 110-112; 15(11): 129-130., available online at https://www.biodiversitylibrary.org/page/1738492
page(s): 112 [details]
source of synonymy
Taylor, D. W. (2003). Introduction to Physidae (Gastropoda: Hygrophila); biogeography, classification, morphology. <em>Revista de Biología Tropical.</em> 51(Suppl. 1): 1-263 (includes a Catalog of species, pp. 197-263)., available online at https://tropicalstudies.org/rbt/attachments/suppls/sup51-1%20Physidae/Physidae%20Information.pdf
page(s): 224 [details]
From editor or global species database
Type locality USA, Pennsylvania, Delaware River [details]