| 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 | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia species Castalia undosa Martens, 1885: specimens1 available nominal species synonym (2 total synonyms)
 Recent Taxonomic OpinionsCastalia undosa — Graf & Cummings (2007), Bogan (2010), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021) RangeUpper Paraná Basin in Brazil. Map of Georeferenced Specimens
 Brazil|  USNM_125733
 affluent of Rio Tietê, Saõ Paulo, Brazil
 |  USNM_125733
 affluent of Rio Tietê, Saõ Paulo, Brazil
 |  USNM_125733
 affluent of Rio Tietê, Saõ Paulo, Brazil
 |  |  ANSP_61807
 Brazil
 |  ZMB_UNCAT
 Brazil
 |  SMF_11735
 Corredeira da Ilha do un lamado, unterer [lower] Rio Tiete, Brasilien
 |  |  SMF_11736
 Corredeira do Bacori, unterer [lower] Rio Tiete, Bras.
 |  ZMB_37671
 Piracicaba
 |  ZMB_37671
 Piracicaba
 |  |  ZMB_37671
 Piracicaba
 |  MNHN_MP_0873
 Piracicaba, S. Paulo
 |  USNM_125730
 Piracicaba, S. Paulo, Brazil
 |  |  USNM_125730
 Piracicaba, S. Paulo, Brazil
 |  BMNH_91-4-13-103-106
 Piracicaba, Sao Paulo, Brazil
 |  CM_MP_4
 Piracicaba, Sao Paulo, Brazil
 |  |  UMMZ_110904
 Piracicaba, Sao Paulo, Brazil
 |  UMMZ_110904
 Piracicaba, Sao Paulo, Brazil
 |  UMMZ_110905
 Piracicaba, Sao Paulo, Brazil
 |  |  UMMZ_110905
 Piracicaba, Sao Paulo, Brazil
 |  UMMZ_110905
 Piracicaba, Sao Paulo, Brazil
 |  UMMZ_63881
 Piracicaba, Sao Paulo, Brazil
 |  |  UMMZ_63881
 Piracicaba, Sao Paulo, Brazil
 |  SMF_11738
 Rio Grande, Grenze der Staaten [that borders], Sao Paulo u Minas Geraes, Brasilien
 |  FMNH_29125
 Rio Mogi-guassu, Cachoeira de Emas, Est. Saõ Paulo, Brazil
 |  |  FMNH_29124
 Rio Mogi-guassu, Cachoeira de Emas, Saõ Paulo, Brazil
 |  SMF_11733
 Rio Paraná, unt. [lower] d. Münd. [below confluence with] Rio Tiete, Bras.
 |  SMF_11734
 Rio Piracicaba, bei Piracicaba, Staat San Paulo, Brasilien
 |  |  BMNH_MP_063
 Rio Piracicaba, Piracicaba, Sao Paulo, Brazil
 |  CM_61.11129
 Rio Piracicaba, Piracicaba, Sao Paulo, Brazil
 |  MCZ_47046
 Rio Piracicaba, Piracicaba, Sao Paulo, Brazil
 |  |  ZMB_101067
 Rio Piracicaba, Piracicaba, Sao Paulo, Brazil
 |  CM_61.5115
 Rio Piracicaba, Sao Paulo, Brazil
 |  MCZ_266383
 Rio Piracicaba, Sao Paulo, Brazil
 |  |  SMF_11732
 Rio Piracicaba, Staat S. Paulo, Brasilien
 |  SMF_11737
 Rio Piracicaba, Staat S. Paulo, Brasilien
 |  CM_61.4498
 Rio Tiete, 25 mi above Itapura, Sao Paulo, Brazil
 |  |  UMMZ_110900
 Rio Tiete, 25 mi above Itapura, Sao Paulo, Brazil
 |  UMMZ_110900
 Rio Tiete, 25 mi above Itapura, Sao Paulo, Brazil
 |  CM_61.5116
 Rio Tiete, near Itapura, Sao Paulo, Brazil
 |  |  UMMZ_23907
 S. Brazil
 |  UMMZ_23907
 S. Brazil
 |  MCZ_MP.74
 Sao Paulo, ....[?]
 |  |  AMNH_61967
 Sao Paulo, Brazil
 |  AMS_206
 Sao Paulo, Brazil
 |  DMNH_173095
 Sao Paulo, Brazil
 |  |  DMNH_173126
 Sao Paulo, Brazil
 |  MCZ_87553
 Sao Paulo, Brazil
 |  MCZ_87553
 Sao Paulo, Brazil
 |  |  UF_93186
 Southern Part, Brazil
 | 
 USNM_1468737. Brazil, Sao Paulo, Rio Piracicaba MHNCI_990. Brazil: Paraná: (unknown - Rio de la Plata or Atlantic) FAPESP_C5137T42057. Brazil: São Paulo: Araraquara: (Río de la Plata - Paraná - Tietê): San Carlos Araraquara FAPESP_C2603T25330. Brazil: São Paulo: Jardinópolis: (Río de la Plata - Parana - Grande - Pardo): Pardo FAPESP_C2706T25330. Brazil: São Paulo: Paranapuã: (Río de la Plata - Paraná - Grande) FAPESP_C2699T25330. Brazil: São Paulo: Paulo de Faria: (Río de la Plata - Paraná - Grande) FAPESP_C5131T42043. Brazil: São Paulo: Pirassununga: (Río de la Plata - Paraná - Tietê - Mogi-guassu): : :     FAPESP_C1477T25330. Brazil: São Paulo: Porto Ferreira: (Río de la Plata - Paraná - Tietê - Mogi-guassu): -21.84662  -47.47786 FAPESP_C1479T25340. Brazil: São Paulo: Porto Ferreira: (Río de la Plata - Paraná - Tietê - Mogi-guassu): : :  -21.84662  -47.47786 FAPESP_C1480T25346. Brazil: São Paulo: Porto Ferreira: (Río de la Plata - Paraná - Tietê - Mogi-guassu): : :  -21.84662  -47.47786 |