| 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 | Micronaias species Micronaias granadensis (Lea, 1868): specimens2 available nominal species synonyms (3 total synonyms)
 Recent Taxonomic OpinionsMicronaias granadensis — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025) RangeEndemic to Lake Nicaragua, Nicaragua. Map of Georeferenced Specimens
 Nicaragua|  AMNH_121382
 Laguna de Jiloa, Managua, Managua
 |  MCZ_MP_298
 Laguna Jiloa, Nicaragua
 |  FMNH_9041
 Lake Nicaragua
 |  |  USNM_87770
 Lake Nicaragua
 |  MCZ_6588
 Lake Nicaragua, C.A.
 |  AMNH_112709
 Lake Nicaragua, Granada, Nicaragua
 |  |  UMMZ_108009
 Lake Nicaragua, Nicaragua
 |  USNM_84388
 Lake Nicaragua, Nicaragua
 |  USNM_84388
 Lake Nicaragua, Nicaragua
 |  |  USNM_510899
 Los Sambo River 5 mi from mouth, Nicaragua
 |  USNM_510899
 Los Sambo River 5 mi from mouth, Nicaragua
 |  ANSP_56547
 Maracaibo, Ven [No - Nicaragua]
 |  |  AMNH_30522
 Nicaragua
 |  MCZ_20539
 Nicaragua
 |  MCZ_MP_274
 Nicaragua
 |  |  UMMZ_108008
 Nicaragua
 |  USNM_510898
 Nicaragua, off San Juan River
 |  USNM_510898
 Nicaragua, off San Juan River
 |  |  ANSP_90255
 San Juan River, Nicaragua
 |  ANSP_90255
 San Juan River, Nicaragua
 |  ANSP_90256
 San Juan River, Nicaragua
 |  |  USNM_526305
 San Juan River, Nicaragua
 |  USNM_526305
 San Juan River, Nicaragua
 | 
 
 unknown |