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)

Unio asperimus Ravenel, 1834
‘Lea’ Ravenel, 1834, Cat. Rec. Shells: 5.
(error for Unio asperrimus Lea, 1831)

Unio perpureus Ravenel, 1834
‘Say’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio purpureus Say, 1817)

Unio carenifera Ravenel, 1834
‘Lam’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio carinifera Lamarck, 1819)

Unio congareus Ravenel, 1834
‘Lea’ of Authors.
Ravenel, 1834, Cat. Rec. Shells: 6.
de Gregorio, 1914, Il Nat. Siciliano 2: 57.
Haag, 2012, N. Amer. Freshw. Mussels: 73 [as ‘Elliptio congarea’].
(error for Unio congaraeus Lea, 1831)

Unio elipsis Ravenel, 1834
‘Lea’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio ellipsis Lea, 1828)

Unio verginiana Ravenel, 1834
‘Lam.’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio virginiana Lamarck, 1819)

Unio taeneatus Ravenel, 1834
Ravenel, 1834, Cat. Rec. Shells: 7 [as ‘tæneatus’].
(error for Unio taeniatus Conrad, 1834)

Alasmodonta coarctata Ravenel, 1834
Ravenel, 1834, Cat. Rec. Shells: 7. [nomen nudum]

Unio tenerus Ravenel, 1834
Ravenel, 1834, Cat. Rec. Shells: 7. [nomen nudum]

Alasmodonta arcuata Say [sic]

Alasmodonta coarctata (Ravenel, 1834)

Alasmodonta complanata Say

Alasmodonta marginata (Say, 1819)

Alasmodonta rugosa Barnes, 1823

Alasmodonta undulata (Say, 1817)

Anodonta cataracta (Say, 1817)

Unio aesopus Green, 1827

Unio alatus Lam.

Unio angustatus Lea, 1831

Unio asperimus [sic] Lea, 1831

Unio batava Lam.

Unio caeruleus Lea, 1831

Unio cariosus Say, 1817

Unio circulus Lea, 1829
+ Unio rotundata Lamarck, 1819

Unio complanata Soland
+ Unio purpureus Say, 1817
+ Unio carinifera Lamarck, 1819

Unio congareus [sic] Lea, 1831

Unio cornutus Barnes, 1823
+ Obliquaria (Quadrula) reflexa Rafinesque, 1820

Unio corrugata Lam.

Unio cuneatus Barnes, 1823
+ Unio (Elliptio) nigra Rafinesque, 1820

Unio cylindricus Say, 1817
+ Unio naviformis Lamarck, 1819

Unio decisus Lea, 1831

Unio elipsis [sic] Lea, 1828

Unio foliatus Hildreth, 1828

Unio formosus Lea, 1831
+ Unio cuneatus Swainson, 1823

Unio gibbosus Barnes, 1823

Unio irroratus Lea, 1828

Unio lacrymosus Lea, 1828
+ Unio quadrulus Say, 1834

Unio lens Lea, 1831

Unio metanever (Rafinesque, 1820)

Unio multiplicatus Lea, 1831

Unio mytiloides (Rafinesque, 1820)

Unio nasutus Say, 1817
+ Unio rostrata Valenciennes, 1827

Unio ochraceus Say, 1817

Unio olivarius Lea, 1831
+ Diplasma (Hemisolasma?) vitrea Rafinesque, 1831

Unio ovatus Say, 1817

Unio perplexus Lea, 1831

Unio pictorum Lam.

Unio plicata Le Sueur
+ Unio crassidens Lamarck, 1819
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819

Unio pustulatus Lea, 1831

Unio pustulosus Lea, 1831

Unio pyramidatus Lea, 1831
+ Unio undatus Barnes, 1823

Unio radiatus (Gmelin, 1791)
+ Unio virginiana Lamarck, 1819

Unio rectus Lamarck, 1819

Unio scalenius (Rafinesque, 1820)

Unio securis Lea, 1829
+ Obliquaria (Plagiola) depressa Rafinesque, 1820

Unio siliquoideus Barnes, 1823

Unio subovatus Lea, 1831

Unio subtentus Say, 1825

Unio sulcatus Lea, 1829

Unio tenerus Ravenel, 1834

Unio torsus (Rafinesque, 1820)

Unio triangularis Barnes, 1823

Unio tuberculatus Barnes, 1823

Unio tæneatus [sic] Ravenel, 1834

Unio verrucosus Barnes, 1823

Unio zigzag Lea, 1829