type locality contained in USA (origin: native) [from synonym] [view taxon][details]
MolluscaBase eds. (2024). MolluscaBase. Helicodiscus aldrichianus (G. H. Clapp, 1907). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1351967 on 2024-04-19
basis of recordInvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
Present Inaccurate Introduced: alien Containing type locality