Page last updated
9 August

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.




NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

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Publication Information

Ortmann, A.E. 1913. Studies in najades. Nautilus 27(8): 88-91.
Availably electronically? yes.

Species Described
Fusconaja [sic] subrotunda leucogona Ortmann, 1913.
Ortmann, 1913, Nautilus: 89.
(intro'd as intra-sp. of Unio subrotundus Lea, 1831)
Type(s): LECTOTYPE CM_61.5239 (selected by R.I. Johnson, 1977), Elk River, Gassaway, Braxton County, West Virginia.
= Fusconaia subrotunda
Taxonomic Opinions
Fusconaja [sic] bursa-pastoris (Wright, B.H.). — Ortmann (1913: 90).
Fusconaja [sic] subrotunda leucogona nov. var. — Ortmann (1913: 89).
Margaritana margaritifera (Linnæus). — Ortmann (1913: 88).
Margaritana margaritifera falcata (Gould). — Ortmann (1913: 89).
Margaritana sinuata (Lamarck). — Ortmann (1913: 88).
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