MolluscaBase taxon details
Euglesa fallax (Sterki, 1896)
1547486 (urn:lsid:marinespecies.org:taxname:1547486)
accepted
Species
Euglesa (Casertiana) fallax (Sterki, 1896) · alternative representation
Pisidium (Cyclocalyx) fallax Sterki, 1896 · unaccepted > superseded combination
Pisidium fallax Sterki, 1896 · unaccepted (basionym)
Pisidium fallax pressum F. C. Baker, 1928 · unaccepted
Pisidium fallax var. boreale Sterki, 1899 · unaccepted
Pisidium fallax var. errans Sterki, 1905 · unaccepted
Pisidium fallax var. mite Sterki, 1905 · unaccepted
Pisidium fallax var. septentrionale Sterki, 1898 · unaccepted (variety)
Pisidium kirklandi Sterki, 1899 · unaccepted (junior synonym)
Pisidium septentrionale Prime, 1895 · unaccepted > nomen nudum
recent + fossil
(of Pisidium fallax Sterki, 1896) Sterki, V. (1896). Descriptions of new Pisidia. <em>The Nautilus.</em> 10(2): 20-21., available online at http://biodiversitylibrary.org/page/1818953
page(s): 20 [details]
page(s): 20 [details]
Note USA, Ohio, Tuscarawas River and Sugar Creek
Type locality USA, Ohio, Tuscarawas River and Sugar Creek [details]
MolluscaBase eds. (2025). MolluscaBase. Euglesa fallax (Sterki, 1896). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1547486 on 2025-09-10
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original description
(of Pisidium fallax Sterki, 1896) Sterki, V. (1896). Descriptions of new Pisidia. <em>The Nautilus.</em> 10(2): 20-21., available online at http://biodiversitylibrary.org/page/1818953
page(s): 20 [details]
original description (of Pisidium kirklandi Sterki, 1899) Sterki, V. (1899). Pisidia new to our country, and new species. <em>The Nautilus.</em> 13(1): 9-12., available online at http://biodiversitylibrary.org/page/3758217
page(s): 11-12 [details]
original description (of Pisidium fallax var. septentrionale Sterki, 1898) Sterki, V. (1898). New Pisidia. <em>The Nautilus.</em> 12(7): 77-79., available online at http://biodiversitylibrary.org/page/1746635
page(s): 78 [details]
original description (of Pisidium fallax var. boreale Sterki, 1899) Sterki, V. (1899). Pisidia new to our country, and new species. <em>The Nautilus.</em> 13(1): 9-12., available online at http://biodiversitylibrary.org/page/3758217
page(s): 12 [details]
original description (of Pisidium fallax var. errans Sterki, 1905) Sterki, V. (1905). New varieties of North American Pisidia. <em>The Nautilus.</em> 19(7): 80-84., available online at http://biodiversitylibrary.org/page/1755580
page(s): 84 [details]
original description (of Pisidium fallax var. mite Sterki, 1905) Sterki, V. (1905). New varieties of North American Pisidia. <em>The Nautilus.</em> 19(7): 80-84., available online at http://biodiversitylibrary.org/page/1755580
page(s): 84 [details]
original description (of Pisidium fallax pressum F. C. Baker, 1928) Baker, F. C. (1928). The fresh water Mollusca of Wisconsin. Part II. Pelecypoda. <em>Bulletin of the Wisconsin Geological and Natural History Survey.</em> 70(2): 1-495, plates 1-105., available online at http://digital.library.wisc.edu/1711.dl/EcoNatRes.WGB70PartII
page(s): 375, pl. 105, figs. 9-11 [details]
taxonomy source Graf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online at http://mussel-project.uwsp.edu/ [details]
page(s): 20 [details]
original description (of Pisidium kirklandi Sterki, 1899) Sterki, V. (1899). Pisidia new to our country, and new species. <em>The Nautilus.</em> 13(1): 9-12., available online at http://biodiversitylibrary.org/page/3758217
page(s): 11-12 [details]
original description (of Pisidium fallax var. septentrionale Sterki, 1898) Sterki, V. (1898). New Pisidia. <em>The Nautilus.</em> 12(7): 77-79., available online at http://biodiversitylibrary.org/page/1746635
page(s): 78 [details]
original description (of Pisidium fallax var. boreale Sterki, 1899) Sterki, V. (1899). Pisidia new to our country, and new species. <em>The Nautilus.</em> 13(1): 9-12., available online at http://biodiversitylibrary.org/page/3758217
page(s): 12 [details]
original description (of Pisidium fallax var. errans Sterki, 1905) Sterki, V. (1905). New varieties of North American Pisidia. <em>The Nautilus.</em> 19(7): 80-84., available online at http://biodiversitylibrary.org/page/1755580
page(s): 84 [details]
original description (of Pisidium fallax var. mite Sterki, 1905) Sterki, V. (1905). New varieties of North American Pisidia. <em>The Nautilus.</em> 19(7): 80-84., available online at http://biodiversitylibrary.org/page/1755580
page(s): 84 [details]
original description (of Pisidium fallax pressum F. C. Baker, 1928) Baker, F. C. (1928). The fresh water Mollusca of Wisconsin. Part II. Pelecypoda. <em>Bulletin of the Wisconsin Geological and Natural History Survey.</em> 70(2): 1-495, plates 1-105., available online at http://digital.library.wisc.edu/1711.dl/EcoNatRes.WGB70PartII
page(s): 375, pl. 105, figs. 9-11 [details]
taxonomy source Graf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online at http://mussel-project.uwsp.edu/ [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality USA, Ohio, Tuscarawas River and Sugar Creek [details]
To ANSP Malacology Collection (syntypes of Pisidium fallax. Sterki, 1896. Nautilus 10 (2): 20 - catalog no. 68310) (from synonym Pisidium fallax Sterki, 1896)
To ANSP Malacology Collection (syntypes of Pisidium kirklandi. Sterki, 1899. Nautilus 13 (1): 11-12 - catalog no. 75732) (from synonym Pisidium kirklandi Sterki, 1899)
To ANSP Malacology Collection (syntypes of Pisidium kirklandi. Sterki, 1899. Nautilus 13 (1): 11-12 - catalog no. 75732) (from synonym Pisidium kirklandi Sterki, 1899)
