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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 R.I. Johnson (1977): summary
     publication summary

Complete Citation

Johnson, R.I. 1977. Monograph of the genus Medionidus (Bivalvia: Unionidae) mostly from the Apalachicolan region, southeastern United States. Occasional Papers on Mollusks 4(56): 161-187. Available electronically.

Taxonomic Opinions

Medionidus acutissimus (Lea, 1831)
+ Unio rubellinus Lea, 1857
+ Unio parvulus Lea, 1860
+ Unio semiplicatus Küster, 1862

Medionidus acutissimus (Lea, 1831) = Medionidus parvulus

Medionidus conradicus (Lea, 1834)
+ Obliquaria plateolus Rafinesque, 1831

Medionidus mcglameriae van der Schalie, 1939 = Potamilus fragilis

Medionidus penicillatus (Lea, 1857)
+ Unio kingii B.H. Wright, 1900

Medionidus simpsonianus Walker, 1905

Medionidus walkeri (Wright, S.H., 1897)