MolluscaBase name details
Physa ancillaria var. crassa B. Walker, 1901
1367123 (urn:lsid:marinespecies.org:taxname:1367123)
unaccepted (junior synonym)
Haitia integra (Haldeman, 1841) accepted as Physella integra (Haldeman, 1841) accepted as Physella acuta (Draparnaud, 1805)
Variety
Physa ancillaria Say, 1825 accepted as Physella ancillaria (Say, 1825) accepted as Physella gyrina (Say, 1821)
Walker, B. (1901). New varieties of <i>Physa ancillaria</i> Say. <em>The Nautilus.</em> 14(9): 97-99 [January]., available online at https://www.biodiversitylibrary.org/page/1731608
page(s): 98-99 [details]
page(s): 98-99 [details]
Type locality contained in USA
, Note Higgins Lake, Roscommon County, Michigan
type locality contained in USA (origin: native) [details]
Type locality Higgins Lake, Roscommon County, Michigan [details]
MolluscaBase eds. (2021). MolluscaBase. Physa ancillaria var. crassa B. Walker, 1901. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1367123 on 2025-09-11
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
Walker, B. (1901). New varieties of <i>Physa ancillaria</i> Say. <em>The Nautilus.</em> 14(9): 97-99 [January]., available online at https://www.biodiversitylibrary.org/page/1731608
page(s): 98-99 [details]
basis of record InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project.
page(s): 98 [details]
page(s): 98-99 [details]
basis of record InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project.
page(s): 98 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Higgins Lake, Roscommon County, Michigan [details]
