The MUSSELp is the MUSSEL Project, an internet resource to support research on the systematics of freshwater mussels (and other bivalves).

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.

MUSSELp

Browse the MUSSELp Database!
The Freshwater Mussels (Unionoida) of the World
(and other less consequential bivalves)

Search the database pages:

The searching function is handled by a Google Custom Search Engine.

Anodontites lurulentaThe October 2025 Mussel of the Month is Anodontites lurulenta. The recent revision of Central American freshwater mussels is a major biodiversity “correction."

Even if you are the kind of person with freshwater mussels frequently front-of-mind, you might not recognize the significance of Anodontites lurulenta as a new genus-species combination.

Visit the Mussel of the Month Archive.

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:

994

Current Number of Freshwater Mussel Genera:

216

Last Updated
Wed 1 October 2025


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.

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"Making the world a better place, one mollusk at a time."