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Wed 1 October 2025 |
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 dysonii (Lea, 1859): synonymy
80 specimens Unio dysonii Lea, 1859
 Lea, 1859. Proc. Acad. Nat. Sci. 11: 152.
 Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 252 [70], pl. 39, fig. 132.
Type(s): HOLOTYPE (MONOTYPY) BMNH_1965173, Honduras.
Nephronaias dysonii — Simpson (1900), Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025)
Unio (Simonaias) dysoni — Martens (1900)
Nephronaias dysoni — Frierson (1917), Pilsbry (1920)
Elliptio (Nephronaias) dysoni — Frierson (1927)
Elliptio (Nephronaias) dysonii — Haas (1929)
Nephronaias (s.s.) dysonii — Haas (1969) | |
Elliptio (Nephronaias) sajensis Frierson, 1927
 Frierson, 1927. Check List N. Amer. Naiades: 37, sp. 139.
Frierson, 1928. Nautilus 41(4): 139, pl. 2, fig. 2.
Type(s): LECTOTYPE [AS HOLOTYPE] UMMZ_108010, Rio Saja, 5 mi W Esmeralda, Guatemala.
Elliptio (Nephronaias) sajensis — Frierson (1927)
Nephronaias (s.s.) sajensis — Haas (1969)
Nephronaias sajensis — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Nephronaias dysonii — Cummings et al. (2025) | |
Taxonomic History (since 1900)Nephronaias dysonii — Simpson (1900), Simpson (1914), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025)
Unio (Simonaias) dysoni — Martens (1900)
Nephronaias dysoni — Frierson (1917), Pilsbry (1920)
Elliptio (Nephronaias) dysoni — Frierson (1927)
Elliptio (Nephronaias) sajensis — Frierson (1927)
Elliptio (Nephronaias) dysonii — Haas (1929)
Nephronaias (s.s.) dysonii — Haas (1969)
Nephronaias (s.s.) sajensis — Haas (1969)
Nephronaias sajensis — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
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