Page last updated
Mon 04 May 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 crassissimus Hanley, 1843

Schlüter, 1838, Kurzgef. Syst. Verz. Conch. Samml.: 33 [as ‘Mysca tumida var. crassissima’]. [nomen nudum]
‘Fer.’ Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 209.

= Unio crassus

Taxonomic Opinions

+ Margaritana crassa (Retzius, 1788) — (Simpson, 1914)
+ Margaritana crassa (Retzius, 1788) — (Simpson, 1900)
+ Margaron (Unio) crassus (Retz.) — (Lea, 1870)
= Unio crassissimus Fer. — (Hanley, 1843)
= Mysca tumida var. crassissima m. — (Schlüter, 1838)

Page updated: 12:42:12 Mon 04 May 2020

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