MolluscaBase name details
Physa ancillaria crassa B. Walker, 1901
1544220 (urn:lsid:marinespecies.org:taxname:1544220)
unaccepted (junior synonym)
Subspecies
Physa ancillaria Say, 1825 accepted as Physella ancillaria (Say, 1825) accepted as Physella gyrina (Say, 1821)
(of Physa ancillaria var. crassa B. Walker, 1901) 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]
MolluscaBase eds. (2021). MolluscaBase. Physa ancillaria crassa B. Walker, 1901. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1544220 on 2025-09-11
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Physa ancillaria var. crassa B. Walker, 1901) 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 Crandall, O. A. (1901). The America Physae. <em>The Nautilus.</em> 15(4): 42-45, plate 2., available online at https://www.biodiversitylibrary.org/page/1738423
page(s): 42 [details]
page(s): 98-99 [details]
basis of record Crandall, O. A. (1901). The America Physae. <em>The Nautilus.</em> 15(4): 42-45, plate 2., available online at https://www.biodiversitylibrary.org/page/1738423
page(s): 42 [details]
