MolluscaBase taxon details
Bulimnea megasoma (Say, 1824)
724486 (urn:lsid:marinespecies.org:taxname:724486)
accepted
Species
Limnaea (Bulimnaea) megasoma Say, 1824 · unaccepted > superseded combination
Limnaea megasoma (Say, 1824) · unaccepted > superseded combination
Lymnaea (Bulimnaea) megasoma Say, 1824 · unaccepted > superseded combination
Lymnaea lavernensis A. B. Leonard & Franzen, 1944 † · unaccepted > junior subjective synonym
Lymnaea megasoma Say, 1824 · unaccepted > superseded combination
Lymnaeus megasomus Say, 1824 · unaccepted (original combination)
recent + fossil
(of Lymnaeus megasomus Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 263, pl. 15, fig. 10 [details]
page(s): 263, pl. 15, fig. 10 [details]
Note Canada, Manitoba, Bois Blanc Lake
Type locality Canada, Manitoba, Bois Blanc Lake [details]
MolluscaBase eds. (2025). MolluscaBase. Bulimnea megasoma (Say, 1824). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=724486 on 2025-09-11
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original description
(of Lymnaeus megasomus Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 263, pl. 15, fig. 10 [details]
original description (of Limnaea (Bulimnaea) megasoma Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 263, pl. 15, fig. 10 [details]
original description (of Lymnaea lavernensis A. B. Leonard & Franzen, 1944 †) Leonard, A.B.; Franzen, D.S. (1944). Mollusca of the Laverne Formation (Lower Pliocene) of Beaver County, Oklahoma. <em>The University of Kansas Science Bulletin.</em> 30(1): 15-39., available online at https://biodiversitylibrary.org/page/2994493
page(s): 22-23, pl. 4, fig. 11 [details]
basis of record Johnson, P. D.; Bogan, A. E.; Brown, K. M.; Burkhead, N. M.; Cordeiro, J. R.; Garner, J. T.; Hartfield, P. D.; Lepitzki, D. A. W.; Mackie, G. L.; Tarpley, T. A.; Tiemann, J. S.; Whelan, N. V.; Strong, E. E. (2013). Conservation status of freshwater gastropods of Canada and the United States. <em>Fisheries.</em> 38(6): 247-282., available online at http://www.tandfonline.com/doi/abs/10.1080/03632415.2013.785396 [details] Available for editors
[request]
additional source Hubendick, B. (1951). Recent Lymnaeidae. Their variation, morphology, taxonomy, nomenclature and distribution. <em>Kungliga Svenska Vetenskapsakademiens Handlingar. Fjärde Serien.</em> 3(1): 1–223. [details] Available for editors [request]
additional source Baker, F. C. (1911). The Lymnaeidae of North and Middle America, recent and fossil. <em>The Chicago Academy of Sciences, special publication.</em> 3: 1-539., available online at https://www.biodiversitylibrary.org/page/18164581
page(s): 184, pl. XXV, fig. 1-6 [details]
additional source Oughton, J. (1939). An observation on <i>Bulimnea megasoma</i> (Say). <em>The Nautilus.</em> 52(3): 106-107., available online at https://www.biodiversitylibrary.org/page/8284620 [details]
page(s): 263, pl. 15, fig. 10 [details]
original description (of Limnaea (Bulimnaea) megasoma Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 263, pl. 15, fig. 10 [details]
original description (of Lymnaea lavernensis A. B. Leonard & Franzen, 1944 †) Leonard, A.B.; Franzen, D.S. (1944). Mollusca of the Laverne Formation (Lower Pliocene) of Beaver County, Oklahoma. <em>The University of Kansas Science Bulletin.</em> 30(1): 15-39., available online at https://biodiversitylibrary.org/page/2994493
page(s): 22-23, pl. 4, fig. 11 [details]
basis of record Johnson, P. D.; Bogan, A. E.; Brown, K. M.; Burkhead, N. M.; Cordeiro, J. R.; Garner, J. T.; Hartfield, P. D.; Lepitzki, D. A. W.; Mackie, G. L.; Tarpley, T. A.; Tiemann, J. S.; Whelan, N. V.; Strong, E. E. (2013). Conservation status of freshwater gastropods of Canada and the United States. <em>Fisheries.</em> 38(6): 247-282., available online at http://www.tandfonline.com/doi/abs/10.1080/03632415.2013.785396 [details] Available for editors
[request]additional source Hubendick, B. (1951). Recent Lymnaeidae. Their variation, morphology, taxonomy, nomenclature and distribution. <em>Kungliga Svenska Vetenskapsakademiens Handlingar. Fjärde Serien.</em> 3(1): 1–223. [details] Available for editors
[request]additional source Baker, F. C. (1911). The Lymnaeidae of North and Middle America, recent and fossil. <em>The Chicago Academy of Sciences, special publication.</em> 3: 1-539., available online at https://www.biodiversitylibrary.org/page/18164581
page(s): 184, pl. XXV, fig. 1-6 [details]
additional source Oughton, J. (1939). An observation on <i>Bulimnea megasoma</i> (Say). <em>The Nautilus.</em> 52(3): 106-107., available online at https://www.biodiversitylibrary.org/page/8284620 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Canada, Manitoba, Bois Blanc Lake [details]
| Language | Name | |
|---|---|---|
| English | Mammoth Lymnaea | [details] |
To ANSP Malacology Collection (syntype of Lymneus megasomus. Say, 1824. Narrative of an Expedition to the Source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c, &c. 2: 263 - catalog no. 58388) (from synonym Lymnaeus megasomus Say, 1824)
From editor or global species database
Hosted externally, from synonym
