Page last updated
Thu 08 Apr 2021

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!

This page documents data for Graf (2002), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work.

Search the database pages:

Publication information

Graf, D.L. 2002. Molecular phylogenetic analysis of two problematic freshwater mussel genera (Unio and Gonidea) and a re-evaluation of the classification of Nearctic Unionidae (Bivalvia: Palaeoheterodonta: Unionoida). Journal of Molluscan Studies 68: 65-71.

Click here for online access.

Taxonomic Opinions

Alasmidonta marginata Say, 1818

Amblema plicata (Say, 1817)

Cumberlandia monodonta (Say, 1829)

Diplodon chilensis (Gray, 1828)

Elliptio dilatata (Rafinesque, 1820)

Gonidea angulata (Lea, 1838)

Hyridella depressa (Lamarck, 1819)

Lampsilis cardium Rafinesque, 1820

Neotrigonia margaritacea (Lamarck, 1804)

Obliquaria reflexa Rafinesque, 1820

Pilsbryoconcha exilis (Lea, 1839)

Pseudodon vondembuschianus (Lea, 1840)

Pyganodon grandis (Say, 1829)

Uniandra contradens (Lea, 1838)

Unio (Cafferia) caffer Krauss, 1848

Unio (s.s.) pictorum (Linnaeus, 1757)

Velesunio ambigua (Philippi, 1847)

Page updated: 08:46:01 Thu 08 Apr 2021

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