MUSSELp

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

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Alathyria pertextaThe July 2025 Mussel of the Month is Alathyria pertexta. Alathyria (Hyriidae) is a genus of four species from Australia and New Guinea.

The Australasian genus Alathyria sits at the intersection of two different themes running through freshwater mussel systematics: the non-monophyly of traditional mussel genera and the sister relationships of freshwater mussel families.

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:

1020

Current Number of Freshwater Mussel Genera:

214

Last Updated
Tue 1 July 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."