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 | The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win! 
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 Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Nephronaias species Nephronaias macnielii (Lea, 1869): synonymy30 specimens
 | Unio macnielii Lea, 1869
  Lea, 1869. Proc. Acad. Nat. Sci. 21: 124. Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 25 [29], pl. 8, fig. 22.
 Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84414 (by Johnson & Baker, 1973: 161), Rio Gigillillo, Corcuera, Nicaragua.
 
 Nephronaias macnielii — Simpson (1900), Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)
 Unio (Simonaias) macnieli — Martens (1900)
 Nephronaias macneilii [sic] — Pilsbry (1920)
 Elliptio (Nephronaias) aeruginosus — Frierson (1927)
 Elliptio (Nephronaias) macnielii — Haas (1929)
 Nephronaias (s.s.) macnielii — Haas (1969)
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 | Nephronaias macneilii Pilsbry, 1920‘Lea’ Pilsbry, 1920. Proc. Acad. Nat. Sci. 72: 10.
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 Taxonomic History (since 1900)Nephronaias macnielii — Simpson (1900), Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)Unio (Simonaias) macnieli — Martens (1900)
 Nephronaias macneilii [sic] — Pilsbry (1920)
 Elliptio (Nephronaias) aeruginosus — Frierson (1927)
 Elliptio (Nephronaias) macnielii — Haas (1929)
 Nephronaias (s.s.) macnielii — Haas (1969)
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