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Page last updated
Thu 3 September 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 | ... | Unionidae | Unioninae | Unionini | Oxynaiina | Nodularia douglasiae

Specimen NCSM_84925: Images
     Nodularia douglasiae (Griffith & Pidgeon, 1833), Asia, Hong Basin (Red Basin)/Đà R. (Black R./Lixian R.-China) Vietnam, Tây Bắc (Northwest), Dien Bien Co. [Song Da Tributary], 3 kilometers upstream of Muong Lay where river is unimpounded, [3.45 air miles SSW center Muong Lay]. 22.00044°N, 103.1542° E

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