MolluscaBase name details
original description
Haldeman, S. S. (1844). <i>Ancylus</i>. A monograph of the freshwater univalve Mollusca of the United States, including notices of species in other parts of North America. 7. J. Dobson, Philadelphia. 1-14, plate 1.
page(s): 6, pl. 1, fig. 2 [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]