| Page last updated
Wed 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 | ... | Unionidae | Unioninae | Anodontini | Cristariina | Simpsonella gracilis Specimen BMNH_MP_436: Images
Simpsonella gracilis (Lea, 1851), from types figured 
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