Page last updated
9 August

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.



Bivalvia | Unionoida | Unionidae | Sphenonaias

NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

Click here to view these data in the current, updated version. Or, click here to browse from the starting page.

Sphenonaias microdon (Martens, 1887): specimens
  View species synonymy: 1 species-level nomen, Red List Status: unknown

   Recent References
   = Sphenonaias microdon von Martens, 1887. — Bogan (2010).
   = Sphenonaias microdon (von Martens, 1887). — Graf & Cummings (2007).
   = Nephronaias (Sphenonaias) microdon (von Martens, 1887). — Haas (1969).
   = Lampsilis (Cyrtonaias) microdon (Marts.). — Haas (1929).
   = Elliptio (Sphenonaias) microdon (von Martens, 1887). — Frierson (1927).
   = Nephronaias microdon (von Martens, 1887). — Simpson (1914).
   = Unio (Nephronaias) microdon von Martens, 1887. — Martens (1900).
   = Unio microdon E. von Martens, 1887. — Fischer & Crosse (1894).

map of 3 localities

Rio de la Pasion, Guatemala. (Barnum Brown, 1947!)

Rio De La Pasion, 5.5 miles east of Sayaxche, El Peten Department, Guatemala 16.536339, -90.103900. (A. Sharpe et al.!)

Rio de las Salinas, Guatemala. (Otto Stoll!)

Rio Grijalva, Chiapas, Mexico. (Carl Sapper!)

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