MolluscaBase name details
Planorbis trivolvis var. fallax Haldeman, 1842
1556441 (urn:lsid:marinespecies.org:taxname:1556441)
unaccepted (variety)
Variety
Haldeman, S. S. (1842). <i>New species of shells. A monograph of the Limniades or freshwater univalve shells of North America</i>. 4. J. Dobson, Philadelphia. , available online at https://www.biodiversitylibrary.org/page/11651599
page(s): 15-17, pl. 3, figs. 1-3 [details]
page(s): 15-17, pl. 3, figs. 1-3 [details]
MolluscaBase eds. (2025). MolluscaBase. Planorbis trivolvis var. fallax Haldeman, 1842. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1556441 on 2025-09-11
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original description
Haldeman, S. S. (1842). <i>New species of shells. A monograph of the Limniades or freshwater univalve shells of North America</i>. 4. J. Dobson, Philadelphia. , available online at https://www.biodiversitylibrary.org/page/11651599
page(s): 15-17, pl. 3, figs. 1-3 [details]
additional source Marsh, W. A. (1889). Brief notes on the land and fresh-water shells of Mercer County, Ill. <em>The Nautilus.</em> 3(2): 23-24; 3(3): 34-35., available online at https://www.biodiversitylibrary.org/page/12596393
page(s): 23 [details]
page(s): 15-17, pl. 3, figs. 1-3 [details]
additional source Marsh, W. A. (1889). Brief notes on the land and fresh-water shells of Mercer County, Ill. <em>The Nautilus.</em> 3(2): 23-24; 3(3): 34-35., available online at https://www.biodiversitylibrary.org/page/12596393
page(s): 23 [details]
