| 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 Frierson (1914): summarypublication summary
 Complete CitationFrierson, L.S. 1914. Remarks on classification of the Unionidae. Nautilus 28: 6-8. Available electronically. Attributed Nominal GeneraAttributed Nominal SpeciesTaxonomic OpinionsDiplasma marginata Rafinesque, 1831 |