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Thu 3 September 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!

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Publication Ortmann (1919): summary
     publication summary

Complete Citation

Ortmann, A.E. 1919. A monograph of the naiades of Pennsylvania. Part III: Systematic account of the genera and species. Memoirs of the Carnegie Museum 8(1): xvi -385 + 21 plates. Available electronically.

Attributed Nominal Species

Alasmidonta (Decurambis) marginata susquehannae Ortmann, 1919
Ortmann, 1919. Mem. Carnegie Mus. 8(1): 187, pl. 12, fig. 4.
(intro'd as intra-sp. of Alasmidonta marginata Say, 1818)
Type(s): LECTOTYPE CM_61.4679 (by Parodiz, 1967: 26), Susquehanna River, Selins Grove, Snyder County, Pennsylvania.

Anodonta ohiensis Utterback, 1915
‘Rafinesque’ of Authors.
Utterback, 1915. Amer. Midl. Nat. 4(6): 260, pl. 23, figs. 74a-b.
Ortmann, 1919. Mem. Carnegie Mus. 8(1): 162, pl. 11, fig. 4.
Thiele, 1934. Handb. Syst. Weichtierk. 3: 832 [1267].
Modell, 1945. Jena. Z. Med. Naturw. 78: 84.
(misidentified reference to Anodonta (Lastena) ohiensis Rafinesque, 1820)

Unio obliquus Lapham, 1860
‘Lamarck’ of Authors.
Lapham, 1860. Proc. Acad. Nat. Sci. 12: 156.
Baker, 1905. Trans. Acad. Sci. St. Louis 15: 256.
Ortmann, 1919. Mem. Carnegie Mus. 8(1): 73. [in part]
(misidentified reference to Unio obliqua Lamarck, 1819)

Taxonomic Opinions

Fusconaia flava (Rafinesque, 1820)

Fusconaia flava parvula Grier, 1918 = Fusconaia flava

Fusconaia flava trigona (Lea, 1831) = Fusconaia flava

Fusconaia subrotunda (Lea, 1831)

Fusconaia subrotunda kirtlandiana (Lea, 1834) = Fusconaia subrotunda

Margaritana margaritifera (Linnaeus, 1758) = Margaritifera margaritifera

 
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