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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 | ... | Ambleminae | Lampsilini | Friersonia iridella

Specimen USNM_1282420: Images
Friersonia iridella (Pilsbry & Frierson, 1908), Rio Huichiuayan at road to Xilitla ca. 0.7 roadmiles from its junction with Rt Mx 85 (this junction is ca 43.6 roadmiles S of junction of Rt Mx 85 and 70 in Ciudad Valles), San Luis Potosi, Mexico.

specimen

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