| 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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 Publication Prime (1862): summarypublication summary
 Complete CitationPrime, T. 1862. Monograph of the species of Sphaerium of North and South America. Proceedings of the Academy of Natural Sciences of Philadelphia 14: 28-37. Available electronically. Attributed Nominal Species |