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Page last updated
Thu 17 July 2025

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 Say (1818): summary
     publication summary

Complete Citation

Say, T. 1818. Description of a new genus of fresh water bivalve shells. Journal of the Academy of Natural Sciences 1(11): 459-460. Available electronically.

Attributed Nominal Genera

Alasmidonta Say, 1818
Say, 1818. Jour. Acad. Nat. Sci. 1(11): 459.
Say, 1819. Nich. Encyc. 4: unpaginated.
(new name for Monodonta Say, 1817; renamed Alasmodonta Say, 1819)

Anadonta Say, 1818
‘Lamarck’ of Authors.
Say, 1818. Jour. Acad. Nat. Sci. 1(11): 459.
Goldfuss, 1820. Handb. Zool. 1: 611.
Ravenel, 1834. Cat. Rec. Shells: 7.
Grimm, 1876. Kaspinskoe Fauna: 143.
Pavan-Kumar et al., 2022. Mol. Biol. Rep. 49: Figure S5.
(error for Anodonta Lamarck, 1799)

Attributed Nominal Species

Alasmidonta marginata Say, 1818
Say, 1818. Jour. Acad. Nat. Sci. 1(11): 459.
Say, 1819. Nich. Encyc. 4: sp. 1.
Say, 1858. [in] Binney, Compl. Writings T. Say: 62.

Taxonomic Opinions

Alasmidonta marginata Say, 1819

Alasmidonta undulata (Say, 1817)

 
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