The MUSSELp is the MUSSEL Project, an internet resource to support research on the systematics of freshwater mussels (and other bivalves). Find out more about the MUSSEL Project The MUSSELpdb is the MUSSEL Project Database, providing current information on the the taxonomy, nomenclature, literature, specimens, phylogeny, and other data supporting research on freshwater mussel evolution and ecology. Find out more about the MUSSEL Project Database  |
 Browse the MUSSEL Project Database! Navigate the taxonomy hierarchy to explore data on the taxonomy, nomenclature, specimen vouchers, phylogeny, and literature on the Freshwater Mussels (Unionida) of the World (and other less consequential bivalves). Search the MUSSEL Project Database! The MUSSEL Project Database Search Engine (MUSSELpdb-se) can search taxa, localities, and publications by keywords. A Google Search Engine is also available. |
| The May 2026 Mussel of the Month is Pseudodon mekongi by Daniel GrafAt least, that is what it is called todayRead on Substack Visit the Mussel of the Month Archive. |
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The MUSSEL Project Database Dashboard The MUSSELpdb-db is a quick summary of the current state of freshwater mussel species & genus richness, according to the MUSSEL Project Database (the MUSSELpdb). Current Number of Freshwater Mussel Species: 1011 Current Number of Freshwater Mussel Genera: 220 Last Updated Tue 05 May 2026  Click here for a detailed summary of species and genus richness by taxonomy.  Click here for a detailed summary of species richness and endemism by geography.  |
 Site developed and maintained by Dan Graf & Kevin Cummings. Funded by The National Science Foundation."Making the world a better place, one mollusk at a time."  |