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Thu 3 September 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!

Publication Hoeh et al. (1995): summary
     publication summary | cladograms

Complete Citation

Hoeh, W.R., K.S. Frazer, E. Naranjo-Garcia & R.J. Trdan. 1995. A phylogenetic perspective on the evolution of simultaneous hermaphroditism in a freshwater mussel clade (Bivalvia: Unionidae: Utterbackia). Malacological Review 28: 25-42.

Taxonomic Opinions

Lasmigona compressa (Lea, 1829) = Platynaias compressa

Lasmigona subviridis (Conrad, 1835) = Platynaias subviridis

Margaritifera falcata (Gould, 1850)

Pyganodon cataracta (Say, 1817)

Pyganodon fragilis (Lamarck, 1819)

Pyganodon grandis (Say, 1829)

Pyganodon lacustris (Lea, 1857)

Toxolasma parvum (Barnes, 1823)

Toxolasma pullum (Conrad, 1838) = Toxolasma pullus

Uniomerus tetralasmus (Say, 1831)

Utterbackia imbecillis (Say, 1829)

Utterbackia peggyae (Johnson, 1965)