Reeve, L.A. 1864. Monograph of the Genus Unio. Conchologica Iconica, or Illustrations of the shells of molluscous animals 16: pls. 2-18. Available electronically.
Unio apiculatus Say, 1829 = Quadrula quadrula
Unio arcæformis Lea, 1831 = Epioblasma arcaeformis
+ Unio nexus Say, 1831
Unio asper Lea, 1831 = Quadrula quadrula
Unio atrocostatus Lea, 1848 = Amblema plicata
Unio bullata (Rafinesque, 1820) = Pustulosa pustulosa
Unio caelatus Conrad, 1834 = Lemiox rimosus
Unio caperatus Lea, 1845 = Dromus dromas
Unio capsaeformis Lea, 1834 = Epioblasma capsaeformis
Unio chattanoogaensis Lea, 1858 = Pleurobema decisum
Unio cicatricosus Say, 1829 = Plethobasus cicatricosus
+ Unio varicosus Lea, 1831
Unio cooperianus Lea, 1834 = Plethobasus cooperianus
Unio corium Reeve, 1864 = Psoronaias crocodilorum
Unio costatus (Rafinesque, 1820) = Amblema plicata
+ Unio undulatus Barnes, 1823
Unio crocodilorum Morelet, 1849 = Psoronaias crocodilorum
Unio cuneatus (Rafinesque, 1820) = Pleurobema clava
Unio cyphius [sic] (Rafinesque, 1820) = Plethobasus cyphyus
+ Unio aesopus Green, 1827
Unio decisus Lea, 1831 = Pleurobema decisum
Unio depressus Lamarck, 1819 = Velesunio ambiguus
+ Unio balonnensis Conrad, 1850
Unio depressus Lamarck, 1819 = Hyridella depressa
Unio deviatus ‘Anthony MS’ Reeve, 1864 = Epioblasma turgidula
Unio dorfeuillianus Lea, 1838 = Pustulosa pustulosa
Unio dromas Lea, 1834 = Dromus dromas
Unio edgarianus Lea, 1840 = Fusconaia cor
Unio elliottii Lea, 1856 = Amblema elliottii
Unio flexuosus (Rafinesque, 1820) = Epioblasma flexuosa
+ Unio foliatus Hildreth, 1828
Unio forsheyi Lea, 1859 = Quadrula quadrula
Unio fragosus Conrad, 1836 = Quadrula fragosa
Unio gibbosus (Rafinesque, 1820) = Epioblasma torulosa
+ Unio perplexus Lea, 1831
Unio graniferus Lea, 1838 = Cyclonaias tuberculata
Unio haysianus Lea, 1834 = Epioblasma haysiana
Unio heros Say, 1829 = Megalonaias nervosa
+ Unio multiplicatus Lea, 1831
Unio hippopæus [sic] Lea, 1845 = Amblema plicata
Unio intermedius Conrad, 1836 = Theliderma intermedia
Unio interrupta (Rafinesque, 1820) = Epioblasma brevidens
+ Unio brevidens Lea, 1831
Unio interrupta (Rafinesque, 1820) = Ptychobranchus fasciolaris
Unio interventus Lea, 1861 = Pleurobema perovatum
Unio irroratus Lea, 1828 = Cyprogenia stegaria
Unio kleinianus Lea, 1852 = Pustulosa kleiniana
Unio lachrymosus [sic] Lea, 1828 = Quadrula quadrula
Unio leai Gray, Griffith, 1834
+ Mya nodulosa Wood, 1815
+ Mya nodulosa Wood, 1815
Unio leai Gray, Griffith, 1834 = Aculamprotula nodulosa
Unio leai Gray, Griffith, 1834 = Lamprotula leaii
Unio lenior Lea, 1840 = Epioblasma lenior
+ Unio lenis Lea, 1840
Unio medius Lea, 1861 = Pleurobema georgianum
Unio metanever (Rafinesque, 1820) = Quadrula quadrula
+ Unio nodosus Barnes, 1823
+ Unio rugosus Barnes, 1823
Unio metanever (Rafinesque, 1820) = Theliderma metanevra
Unio mundus Lea, 1857 = Pleurobema oviforme
Unio nodulatus (Rafinesque, 1820) = Pustulosa nodulata
Unio nucleopsis Conrad, 1849 = Pleurobema georgianum
Unio obesus Lea, 1831 = Uniomerus carolinianus
Unio patulus Lea, 1829 = Pleurobema clava
Unio penitus Conrad, 1834 = Epioblasma penita
Unio perdix Lea, 1834 = Ortmanniana pectorosa
+ Unio pectorosus Conrad, 1834
Unio perlensis [sic] Conrad, 1855 = Amblema plicata
Unio pernodosus Lea, 1845 = Pustulosa pustulosa
Unio personatus Say, 1829 = Epioblasma personata
+ Unio capillaris Lea, 1834
Unio phillipsii Conrad, 1835 = Obliquaria reflexa
Unio pileus Lea, 1834 = Epioblasma personata
Unio plicatus Say = Amblema plicata
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio dombeyana Valenciennes, 1827
Unio plicatus Say = Plectomerus dombeyanus
Unio prasinus Conrad, 1834 = Pustulosa pustulosa
Unio quadratus [sic] (Rafinesque, 1820) = Quadrula quadrula
+ Unio quadrulus ‘Rafinesque’ of Authors
+ Unio asperrimus Lea, 1831
Unio rangianus Lea, 1838 = Epioblasma rangiana
Unio ravenelianus Lea, 1834 = Pleurobema oviforme
Unio reflexus (Rafinesque, 1820) = Obliquaria reflexa
+ Unio cornutus Barnes, 1823
Unio ridibundus Say, 1829 = Epioblasma obliquata
Unio sacculus ‘Anthony, MS’ Reeve, 1864 = Epioblasma florentina
Unio schoolcraftensis Lea, 1834 = Pustulosa pustulosa
+ Unio nodiferus Conrad, 1841
Unio sowerbyanus [sic] Lea, 1834 = Epioblasma haysiana
Unio sparsus Lea, 1841 = Theliderma sparsa
Unio stapes Lea, 1831 = Theliderma stapes
Unio stegarius (Rafinesque, 1820) = Cyprogenia stegaria
Unio stewardsonii Lea, 1852 = Epioblasma stewardsonii
Unio sulcatus Lea, 1829 = Epioblasma obliquata
Unio tavoyensis Gould, 1843 = Leoparreysia tavoyensis
Unio trapezoides Lea, 1831 = Plectomerus dombeyanus
+ Unio interruptus Say, 1831
Unio tuberculatus (Rafinesque, 1820) = Cyclonaias tuberculata
+ Unio verrucosus Barnes, 1823
+ Unio tuberculosus Valenciennes, 1827
Unio turgidulus Lea, 1858 = Epioblasma turgidula
Unio turgidus Lea, 1838 = Pustulosa pustulosa
+ Unio mortoni Conrad, 1835
Unio vittatus Lea, 1859 = Velesunio ambiguus
Unio woodwardianus [sic] Lea, 1857 = Ptychobranchus foremanianus
+ Unio woodwardianus ‘Lea’ of Authors