Page last updated
Thu 04 Apr 2024

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 R.I. Johnson (1977), 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.

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Publication information

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.

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Taxonomic Opinions

Medionidus acutissimus (Lea, 1831)
+ Unio rubellinus Lea, 1857
+ Unio parvulus Lea, 1860
+ Unio semiplicatus K├╝ster, 1862

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

Medionidus mcglameriae van der Schalie, 1939

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

Medionidus simpsonianus Walker, 1905

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

Page updated: 07:19:52 Thu 04 Apr 2024

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