| 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 | Etherioidea | Mycetopodidae | Monocondylaeinae | Tamsiella species Tamsiella tamsiana (Dunker, 1858): specimens1 available nominal species synonym (2 total synonyms)
 Recent Taxonomic OpinionsTamsiella tamsiana — Graf & Cummings (2007), Lasso et al. (2009), Bogan (2010), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021) RangeOrinoco Basin, Venezuela. Map of Georeferenced Specimens
 Colombia|  USNM_473935
 Western Foothills, Sierra Perija, Dept. Magdalena, Colombia
 |  USNM_473935
 Western Foothills, Sierra Perija, Dept. Magdalena, Colombia
 | 
 
 Venezuela|  SMF_3870
 Gebirgsbach des Tales Chirgua, Orinoci Geb. Venezuela
 |  INHS_15941
 Los Manires Creek, 17 km E Guanare on rd. to La Quebrada, Portuguesa, Venezuela
 |  ZMB_MP_0200
 Puerto Cabello
 |  |  MNHN_MP_0669
 Rio Apure, Venezuela
 |  INHS_14921
 Rio Camoruco, 3 km SE Libertad, Cojedes, Venezuela
 |  INHS_14893
 Rio Camoruco, between Estero & Campo Alegre, about 10 km NW Libertad, Cojedes, Venezuela
 |  |  INHS_14893
 Rio Camoruco, between Estero & Campo Alegre, about 10 km NW Libertad, Cojedes, Venezuela
 |  ZMB_101899
 Rio Chirgua, 12 mi SW Pto Cabello, Venezuela
 |  ZMB_101899
 Rio Chirgua, 12 mi SW Pto Cabello, Venezuela
 |  |  ZMB_101900
 Rio Chirgua, 12 mi SW Pto Cabello, Venezuela
 |  ZMB_101900
 Rio Chirgua, 12 mi SW Pto Cabello, Venezuela
 |  ANSP_129960
 Rio Chirgua, Prov. Carabobo, Venezuela
 |  |  INHS_14933
 Rio Guarico, Barbacoas, Aragua, Venezuela
 |  INHS_14933
 Rio Guarico, Barbacoas, Aragua, Venezuela
 |  ANSP_179759
 Rio Guarico, Barbacoas, Guarico, Venezuela
 |  |  ANSP_179759
 Rio Guarico, Barbacoas, Guarico, Venezuela
 |  INHS_17038
 Rio Guarumen, Dos Caminos, Guarico, Venezuela
 |  INHS_11891
 Rio Pao, W La Yeguera, Rt. 13 bridge, Cojedes, Venezuela
 |  |  INHS_11889
 Rio Tinaco, El Baul, Cojedes, Venezuela
 | 
 INPA_1461. Venezuela: Cojedes: (Orinoco - Apure - Portuguesa): Rio Tinaco: El Baul; 80 Km rio Pao, Hato Laguna del Junco |