MolluscaBase taxon details
Helisoma anceps royalense (B. Walker, 1909)
1354264 (urn:lsid:marinespecies.org:taxname:1354264)
accepted
Subspecies
Helisoma anceps rushi F. C. Baker, 1939 · unaccepted (a junior synonym)
Planorbis bicarinatus var. royalensis B. Walker, 1909 · unaccepted (basionym)
recent only
(of Planorbis bicarinatus var. royalensis B. Walker, 1909) Walker, B. (1909). Notes on <i>Planorbis</i> II: <i>P. bicarinatus</i>. <em>The Nautilus.</em> 23(1): 1-10, pl. 1; 23(2): 21-32, pl. 2-3 (maps)., available online at https://www.biodiversitylibrary.org/page/5314504
page(s): 9 [details]
page(s): 9 [details]
Note USA, Michigan, Siskowit Lake, Isle Royale,...
Type locality USA, Michigan, Siskowit Lake, Isle Royale, Lake Superior, [details]
MolluscaBase eds. (2025). MolluscaBase. Helisoma anceps royalense (B. Walker, 1909). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1354264 on 2025-09-11
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Planorbis bicarinatus var. royalensis B. Walker, 1909) Walker, B. (1909). Notes on <i>Planorbis</i> II: <i>P. bicarinatus</i>. <em>The Nautilus.</em> 23(1): 1-10, pl. 1; 23(2): 21-32, pl. 2-3 (maps)., available online at https://www.biodiversitylibrary.org/page/5314504
page(s): 9 [details]
original description (of Helisoma anceps rushi F. C. Baker, 1939) Baker, F. C. (1939). Land and fresh-water Mollusca from western Ontario. <em>Canadian Journal of Research, series D.</em> 17: 87-102.
page(s): 94, fig. 1 [details]
basis of record Burch, J. B. (1989). <i>North American freshwater snails</i>. Malacological Publications, Hamburg, Michigan. pp. i-viii, 1-365.
page(s): 198 [details]
additional source Clarke, A. H. (1973). The freshwater molluscs of the Canadian Interior Basin. <em>Malacologia.</em> 13(1-2): 1-509., available online at http://biodiversitylibrary.org/page/13110006
page(s): 443, pl. 25, figs. 20-22 [details]
page(s): 9 [details]
original description (of Helisoma anceps rushi F. C. Baker, 1939) Baker, F. C. (1939). Land and fresh-water Mollusca from western Ontario. <em>Canadian Journal of Research, series D.</em> 17: 87-102.
page(s): 94, fig. 1 [details]
basis of record Burch, J. B. (1989). <i>North American freshwater snails</i>. Malacological Publications, Hamburg, Michigan. pp. i-viii, 1-365.
page(s): 198 [details]
additional source Clarke, A. H. (1973). The freshwater molluscs of the Canadian Interior Basin. <em>Malacologia.</em> 13(1-2): 1-509., available online at http://biodiversitylibrary.org/page/13110006
page(s): 443, pl. 25, figs. 20-22 [details]
From editor or global species database
Type locality USA, Michigan, Siskowit Lake, Isle Royale, Lake Superior, [details]
