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Page last updated
Thu 17 July 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!

Bivalvia | ... | Unionidae | Ambleminae | Lampsilini | Delphinonaias

species Delphinonaias planivalvis (Morelet, 1851): synonymy
     5 specimens

Unio planivalvis Morelet, 1851
Morelet, 1851. Test. Nov. 2: 24.
Type(s): HOLOTYPE BMNH_93-2-4-2025, pres du Rio Usumacinta, Dept. Peten, Guatemala.

Lampsilis (Proptera) planivalvis — Simpson (1900), Simpson (1914)
Unio (Metaptera) paludosus var. planivalvis — Martens (1900)
— Frierson (1927)
Lampsilis (Delphinonaias) planivalvis — Haas (1929)
Leptodea paludosa — Goodrich & van der Schalie (1937)
Lampsilis (Phyllonaias) planivalvis — Haas (1969)
Delphinonaias planivalvis — Graf & Cummings (2007), Bogan (2010), Czaja et al. (2023)
Delphinonaias largillierti — Graf & Cummings (2021)

Taxonomic History (since 1900)

Lampsilis (Proptera) planivalvis — Simpson (1900), Simpson (1914)
Unio (Metaptera) paludosus var. planivalvis — Martens (1900)
— Frierson (1927)
Lampsilis (Delphinonaias) planivalvis — Haas (1929)
Leptodea paludosa — Goodrich & van der Schalie (1937)
Lampsilis (Phyllonaias) planivalvis — Haas (1969)
Delphinonaias planivalvis — Graf & Cummings (2007), Bogan (2010), Czaja et al. (2023)
Delphinonaias largillierti — Graf & Cummings (2021)
 
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