Page last updated
Mon 10 Feb 2020

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!

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nominal species Unio medius Reeve, 1864

‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 17, sp. 77.
(misidentified reference to Unio medius Lea, 1861)

= Pleurobema decisum

Taxonomic Opinions

+ Pleurobema decisum decisum (Lea, 1831) — (Haas, 1969)
+ Pleurobema (s.s.) decisus (Lea, 1831) — (Frierson, 1927)
+ Pleurobema (s.s.) decisum (Lea, 1831) — (Simpson, 1914)
+ Pleurobema (s.s.) decisa (Lea, 1831) — (Simpson, 1900)

Page updated: 11:46:00 Mon 10 Feb 2020

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