| Page last updatedWed 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 rowellii (Lea, 1859): specimens1 available nominal species synonym
 Recent Taxonomic OpinionsNephronaias rowellii — Graf & Cummings (2007), Bogan (2010), Inoue et al. (2020), Graf & Cummings (2021), Cummings et al. (2025) RangeEndemic to the Chagres Basin, Panama. Map of Georeferenced Specimens
 Panama|  USNM_84398
 Chagres R., Panama
 |  USNM_84398
 Chagres R., Panama
 |  USNM_151555
 Chagres River, Colombia [Panama]
 |  |  USNM_151555
 Chagres River, Colombia [Panama]
 |  ANSP_125625
 Chagres River, New Grenada [Panama]
 |  USNM_588899
 Chagres River, nr. Gatuncillo, Panama
 |  |  USNM_588899
 Chagres River, nr. Gatuncillo, Panama
 |  USNM_228673
 Rio Chilibre, on trail from Cruces to Alajuela, Panama
 |  USNM_228673
 Rio Chilibre, on trail from Cruces to Alajuela, Panama
 |  |  USNM_337653
 Upper Trinidad River, Panama, SW Chagres R. drainage 80° W
 |  USNM_337653
 Upper Trinidad River, Panama, SW Chagres R. drainage 80° W
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