MolluscaBase name details
Planorbis (Helisoma) bicarinatus Say, 1817
1556447 (urn:lsid:marinespecies.org:taxname:1556447)
unaccepted > junior homonym (of Planorbis bicarinatus Lamarck, 1804)
Species
(of Planorbis bicarinatus Say, 1817) Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 1, fig. 4 [details]
page(s): [unpaginated], pl. 1, fig. 4 [details]
MolluscaBase eds. (2025). MolluscaBase. Planorbis (Helisoma) bicarinatus Say, 1817. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1556447 on 2025-09-11
Date
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original description
(of Planorbis bicarinatus Say, 1817) Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 1, fig. 4 [details]
basis of record 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): [unpaginated], pl. 1, fig. 4 [details]
basis of record 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]
