Page last updated
Thu 3 September 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 | Unionoida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Sphenonaias

species Sphenonaias microdon (Martens, 1887): specimens
     1 available nominal species synonym

Recent Taxonomic Opinions

Sphenonaias microdon — Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Graf & Cummings (2021), Czaja et al. (2023), Freeman et al. (2025)

Range

Guatemala.

Map of Georeferenced Specimens

There are no specimens for this species in the MUSSELpdb.