| 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 aeruginosa (Morelet, 1849): specimens1 available nominal species synonym
 Recent Taxonomic OpinionsNephronaias aeruginosa — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025) RangeChiapas, Mexico. Map of Georeferenced Specimens
 Mexico|  BMNH_99-11-4-49-54
 Arroyo Carrizo, La Chinantla, State of Oaxaca, Mexico
 |  AMS_102126
 creek, 5.4 mi W Suchilapan, Veracruz, Oaxaca, Mexico
 |  BMNH_93-2-4-2019
 In rivulo Michol, circa Palenqueanum vicum
 |  |  BMNH_93-2-4-2019
 In rivulo Michol, circa Palenqueanum vicum
 |  BMNH_93-2-4-2019
 In rivulo Michol, circa Palenqueanum vicum
 |  USNM_127007
 Palenque, Chiapas, Mexico
 |  |  USNM_127007
 Palenque, Chiapas, Mexico
 |  NCSM_MFM_19087
 Rio Jaltepec, Jesus Carranza, Veracruz, Mexico
 |  UF_270350
 Rio Michol, Guatemala
 |  |  UF_270374
 Rio Michol, Guatemala
 |  USNM_162448
 Rio Michol, Guatemala
 |  ZMB_MP_0542
 Rio Michol, Guatemala
 |  |  USNM_471866
 Yucatan
 |  ZMB_MP_0519
 Yucatan
 |  ZMB_MP_0519
 Yucatan
 | 
 BMNH_93-2-4-2020. In rivulo Michol, circa Palenqueanum vicum 
 unknown |