Telederma Lea, 1852
‘Swainson’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 22.
Reeve, 1864, Conch. Icon. 16: pl. 7,sp. 25.
Lea, 1870, Synopsis Fam. Naiades: 33.
Paetel, 1875, Fam. Gatt. Moll.: 203.
(error for Theliderma Swainson, 1840)

Unio nodulatus Say, 1834
‘Rafinesque’ of Authors.
Say, 1834, Amer. Conch. 6: ??.
Conrad, 1837, Monogr. Fam. Unionidae 1(9): 80, pl. 45, fig. 1.
Reeve, 1864, Conch. Icon. 16: pl. 13, sp. 51.
(reference to Obliquaria (Quadrula) nodulata Rafinesque, 1820)

Unio stegarius Say, 1834
‘Rafinesque’ of Authors.
Say, 1834, Amer. Conch. 6: ??.
Ferussac, 1835, Mag. Zool. 5: 28.
Conrad, 1838, Monogr. Fam. Unionidae 1(10): 83, pl. 46, fig. 1.
Reeve, 1864, Conch. Icon. 16: pl. 12, sp. 45.
(reference to Obovaria stegaria Rafinesque, 1820)

Unio interruptus Conrad, 1834
‘Rafinesque’ of Authors.
Conrad, 1834, New Fresh-Water Shells: 69.
Say, 1834, Amer. Conch. 6: ??.
Ferussac, 1835, Mag. Zool. 5: 28.
Conrad, 1838, Monogr. Fam. Unionidae 1(10): 88, pl. 48.
Reeve, 1864, Conch. Icon. 16: pl. 14, sp. 56.
(misidentified reference to Obliquaria (Plagiola) interrupta Rafinesque, 1820)

Unio flexuosus Conrad, 1835
‘Rafinesque’ of Authors.
Conrad, 1835, Monogr. Fam. Unionidae 1(1): 8, pl. 6, fig. 2.
Reeve, 1864, Conch. Icon. 16: pl. 6, sp. 22; pl. 13, fig. 53.
(reference to Obliquaria (Quadrula) flexuosa Rafinesque, 1820)

Unio gibbosus Ferussac, 1835
‘Rafinesque’ of Authors.
Ferussac, 1835, Mag. Zool. 5: 28.
Conrad, 1836, Monogr. Fam. Unionidae 1(6): 50, pl. 27, fig. 1.
Reeve, 1864, Conch. Icon. 16: pl. 11, sp. 41, figs. 41a-b.
(reference to Amblema gibbosa Rafinesque, 1820)

Unio costatus Conrad, 1836
‘Rafinesque’ of Authors.
Conrad, 1836, Monogr. Fam. Unionidae 1(2): pl. 17, fig. 7.
Reeve, 1864, Conch. Icon. 16: pl. 4, sp. 16.
(reference to Amblema costata Rafinesque, 1820)

Unio bullatus Conrad, 1838
‘Rafinesque’ of Authors.
Conrad, 1838, Monogr. Fam. Unionidae 1(10): 82, pl. 45, fig. 2.
Lapham, 1852, Trans. WI Agri. Soc. 2: 369.
Reeve, 1864, Conch. Icon. 16: pl. 12, sp. 43.
(reference to Obliquaria (Quadrula) bullata Rafinesque, 1820)

Quadrula lachrymosa Swainson, 1840
‘Lea’ of Authors.
Swainson, 1840, Treat. Malacol.: 378.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 177.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 256.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 497.
Reeve, 1864, Conch. Icon. 16: pl. 9, sp. 33.
Call, 1895, Trans. Acad. Sci. St. Louis 7: 21.
F.C. Baker, 1898, Bull. Chicago Acad. Sci. 3(1): 83, pl. 25, fig. 1; pl. 12, fig. 2.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 776.
Call, 1900, Ind. Dept. Geol. Nat. Res. (1899): 489.
Ortmann, 1909, Nautilus 22(10): 100.
Ortmann, 1909, Ann. Carnegie Mus. 5: 199.
Ortmann, 1910, Nautilus 23(11): 140.
Ortmann, 1910, Nautilus 23: 116.
Ortmann, 1912, Ann. Carnegie Mus. 8: 253.
Simpson, 1914, Descr. Cat. Naiades: 839, 841.
Vanatta, 1915, Proc. Acad. Nat. Sci. 67: 556.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 14, 16.
Frierson, 1927, Check List N. Amer. Naiades: 47.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 84.
R.I. Johnson, 1980, Bull. MCZ 149(2): 90.
Vidrine, 1993, Histr. Distr. Freshw. Mussels LA: 53.
Strayer & Jirka, 1997, Pearly Mussels NY (26): 98.
(error for Unio lacrymosus Lea, 1828)

Unio balonensis Lea, 1852
‘Conrad’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 33.
Reeve, 1864, Conch. Icon. 16: pl. 18, sp. 81.
(error for Unio balonnensis Conrad, 1850)

Unio hippopaeus Lea, 1852
‘Lea’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 21 [as ‘hippopæus’].
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 261 [as ‘hippopæus’].
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 497 [as ‘hippopæus’].
Reeve, 1864, Conch. Icon. 16: pl. 11, sp. 40 [as ‘hippopæus’].
Lea, 1870, Synopsis Fam. Naiades: 31 [as ‘hippopæus’].
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3], [as ‘hippopæus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 767 [as ‘hippopæa’].
Ortmann, 1909, Nautilus 22(10): 101 [as ‘Q. hippopæa’].
Ortmann, 1909, Ann. Carnegie Mus. 5: 203 [as ‘Quadrula undulata hippopæa’].
Simpson, 1914, Descr. Cat. Naiades: 816 [as ‘hippopæa’].
Frierson, 1927, Check List N. Amer. Naiades: 61.
Haas, 1969, Das Tierreich 88: 287.
Clarke, 1973, Malacologia 13(1-2): 35.
Burch, 1975, Freshw. Unio. North Amer.: 165.
Strayer & Jirka, 1997, Pearly Mussels NY (26): 98.
He & Zhuang, 2013, Freshwater Bivalves China: 27.
(error for Unio hippopoeus Lea, 1845)

Unio sowerbyanus Küster, 1852
‘Lea’ of Authors.
Küster, 1852, Conchyl. Cab. 9(2): 62.
Agassiz, 1852, Arch. Naturg. 18(1): 43.
Reeve, 1864, Conch. Icon. 16: pl. 14, sp. 58.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 520.
Simpson, 1914, Descr. Cat. Naiades: 17.
Frierson, 1927, Check List N. Amer. Naiades: 94.
Haas, 1969, Das Tierreich 88: 483.
Burch, 1975, Freshw. Unio. North Amer.: 173.
R.I. Johnson, 1978, Bull. MCZ 148: 280.
Parmalee & Bogan, 1998, The Freshwater Mussels of Tennessee: 91.
(error for Unio sowerbianus Lea, 1834)

Unio subrostratus Reeve, 1864
‘Say’ Reeve, 1864, Conch. Icon. 16: pl. 17, sp. 78; errata [changed to ‘U. patulus Lea’].
(error for Unio patulus Lea, 1829; misidentified reference to Unio subrostratus Say, 1831)

Unio depressus Reeve, 1864
‘Lamarck’ Reeve, 1864, Conch. Icon. 16: pl. 18, sp. 81.
(misidentified reference to Unio depressa Lamarck, 1819)

Unio nodulosus Reeve, 1864
‘Wood’ Reeve, 1864, Conch. Icon. 16: pl. 9, sp. 32; errata [changed to ‘U. leai, Gray’].
(misidentified reference to Mya nodulosa Wood, 1815)

Unio cuneatus Reeve, 1864
‘Rafinesque’ Reeve, 1864, Conch. Icon. 16: pl. 16, fig. 73.
(misidentified reference to Pleurobema cuneata Rafinesque, 1820)

Unio striatus Reeve, 1864
‘Rafinesque’ Reeve, 1864, Conch. Icon. 16: pl. 8, sp. 30 [changed to ‘cooperianus’ in the errata].
(misidentified reference to Obovaria striata Rafinesque, 1820; error for Unio cooperianus Lea, 1834)

Unio phillipsii Reeve, 1864
‘Conrad’ Reeve, 1864, Conch. Icon. 16: pl. 4, sp. 15.
(misidentified reference to Unio phillipsii Conrad, 1835)

Unio corium Reeve, 1864
Reeve, 1864, Conch. Icon. 16: pl. 10, sp. 39.
Type(s): HOLOTYPE BMNH_1965209, Chiapas, Mexico.

Unio perdix Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 18, sp. 82.
(misidentified reference to Unio perdix Lea, 1834)

Unio sacculus Reeve, 1864
‘Anthony, MS’ Reeve, 1864, Conch. Icon. 16: pl. 15, sp. 67.
J.G. Anthony, 1865, Amer. J. Conch. 1(2): 157, pl. 12, fig. 3.
Type(s): HOLOTYPE MCZ_161898, Tennessee.

Unio deviatus Reeve, 1864
‘Anthony MS’ Reeve, 1864, Conch. Icon. 16: pl. 15, sp. 61.
J.G. Anthony, 1865, Amer. J. Conch. 1(2): 156, pl. 12, fig. 2.
Type(s): HOLOTYPE BMNH_1965210, Tennessee.

Unio medius Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 17, sp. 77.
(misidentified reference to Unio medius Lea, 1861)

Unio hanleyanus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 17, sp. 76; errata [changed to ‘U. interventus, Lea’].
(error for Unio hanleyianus Lea, 1852)

Unio cicatricosus Reeve, 1864
Reeve, 1864, Conch. Icon. 16: pl. 8, sp. 31; pl. 13, fig. 50.
(reference to Unio cicatricosus Say, 1829)

Unio mundus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 16, sp. 72.
(misidentified reference to Unio mundus Lea, 1857)

Unio perplicatus Reeve, 1864
‘Conrad, Anthony, MS.’ Reeve, 1864, Conch. Icon. 16: pl. 9, sp. 35; errata [changed to ‘U. atrocostatus’].
(reference to Unio perplicatus Conrad, 1841; error for Unio atrocostatus Lea, 1845)

Unio perlensis Reeve, 1864
‘Conrad’ of Authors.
Reeve, 1864, Conch. Icon. 16: pl. 11, sp. 42.
Paetel, 1890, Cat. Conch.-Samml. 3: 163.
(error for Unio pearlensis Conrad, 1855)

Unio atrocostatus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 4, sp. 13; errata [changed to ‘U. heros, Say’].
(error for Unio heros Say, 1829; misidentified reference to Unio atrocostatus Lea, 1845)

Unio turgidus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 3, sp. 10.
(misidentified reference to Unio turgidus Lea, 1838)

Unio semigranosus Reeve, 1864
‘Philippi’ Reeve, 1864, Conch. Icon. 16: pl. 10, sp. 36; errata.
(reference to Unio semigranosus Philippi, 1843)
Type(s): FIGURED SPECIMEN BMNH_196496, Mexico.

Unio quadratus Reeve, 1864
‘Rafinesque’ Reeve, 1864, Conch. Icon. 16: pl. 6, sp. 24.
(error for Obliquaria (Quadrula) quadrula Rafinesque, 1820)

Unio raveneliensis Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 16, sp. 70.
(misidentified reference to Unio ravenelianus Lea, 1834; error for Unio ravenelianus Lea, 1834)

Unio edgarianus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 15, sp. 65.
(reference to Unio edgarianus Lea, 1840)

Unio pliciferus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 10, sp. 37; errata [changed to ‘U. crocodilorum Morelet’].
(misidentified reference to Unio pliciferus Lea, 1838; error for Unio crocodilorum Morelet, 1849)

Fusconaia cor var. analoga Ortmann, 1918
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 15, sp. 65 [as ‘Unio edgarianus’].
Ortmann, 1918, Proc. Amer. Phil. Soc. 57(6): 533.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 43.
(intro'd as intra-sp. of Unio cor Conrad, 1834)
Type(s): LECTOTYPE CM_61.6326, Clinch River, Speer’s Ferry, Scott Co., Virginia.

Unio apiculatus Say, 1829

Unio arcæformis Lea, 1831
+ Unio nexus Say, 1831

Unio asper Lea, 1831

Unio atrocostatus Lea, 1848

Unio bullata (Rafinesque, 1820)

Unio caelatus Conrad, 1834

Unio caperatus Lea, 1845

Unio capsaeformis Lea, 1834

Unio chattanoogaensis Lea, 1858

Unio cicatricosus Say, 1829
+ Unio varicosus Lea, 1831

Unio cooperianus Lea, 1834

Unio corium Reeve, 1864

Unio costatus (Rafinesque, 1820)
+ Unio undulatus Barnes, 1823

Unio crocodilorum Morelet, 1849

Unio cuneatus (Rafinesque, 1820)

Unio cyphius [sic] (Rafinesque, 1820)
+ Unio aesopus Green, 1827

Unio decisus Lea, 1831

Unio depressus Lamarck, 1819
+ Unio balonnensis Conrad, 1850

Unio deviatus ‘Anthony MS’ Reeve, 1864

Unio dorfeuillianus Lea, 1838

Unio dromas Lea, 1834

Unio edgarianus Lea, 1840

Unio elliottii Lea, 1856

Unio flexuosus (Rafinesque, 1820)
+ Unio foliatus Hildreth, 1828

Unio forsheyi Lea, 1859

Unio fragosus Conrad, 1836

Unio gibbosus (Rafinesque, 1820)
+ Unio perplexus Lea, 1831

Unio graniferus Lea, 1838

Unio haysianus Lea, 1834

Unio heros Say, 1829
+ Unio multiplicatus Lea, 1831

Unio hippopæus [sic] Lea, 1845

Unio intermedius Conrad, 1836

Unio interrupta (Rafinesque, 1820)
+ Unio brevidens Lea, 1831

Unio interventus Lea, 1861

Unio irroratus Lea, 1828

Unio kleinianus Lea, 1852

Unio lachrymosus [sic] Lea, 1828

Unio leai Gray, Griffith, 1834
+ Mya nodulosa Wood, 1815
+ Mya nodulosa Wood, 1815

Unio lenior Lea, 1840
+ Unio lenis Lea, 1840

Unio medius Lea, 1861

Unio metanever (Rafinesque, 1820)
+ Unio nodosus Barnes, 1823
+ Unio rugosus Barnes, 1823

Unio mundus Lea, 1857

Unio nodulatus (Rafinesque, 1820)

Unio nucleopsis Conrad, 1849

Unio obesus Lea, 1831

Unio patulus Lea, 1829

Unio penitus Conrad, 1834

Unio perdix Lea, 1834
+ Unio pectorosus Conrad, 1834

Unio perlensis [sic] Conrad, 1855

Unio pernodosus Lea, 1845

Unio personatus Say, 1829
+ Unio capillaris Lea, 1834

Unio phillipsii Conrad, 1835

Unio pileus Lea, 1834

Unio plicatus Say
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio dombeyana Valenciennes, 1827

Unio prasinus Conrad, 1834

Unio quadratus [sic] (Rafinesque, 1820)
+ Unio asperrimus Lea, 1831
+ Unio quadrulus Say, 1834

Unio rangianus Lea, 1838

Unio ravenelianus Lea, 1834

Unio reflexus (Rafinesque, 1820)
+ Unio cornutus Barnes, 1823

Unio ridibundus Say, 1829

Unio sacculus ‘Anthony, MS’ Reeve, 1864

Unio schoolcraftensis Lea, 1834
+ Unio nodiferus Conrad, 1841

Unio sowerbyanus [sic] Lea, 1834

Unio sparsus Lea, 1841

Unio stapes Lea, 1831

Unio stegarius (Rafinesque, 1820)

Unio stewardsonii Lea, 1852

Unio sulcatus Lea, 1829

Unio tavoyensis Gould, 1843

Unio trapezoides Lea, 1831
+ Unio interruptus Say, 1831

Unio tuberculatus (Rafinesque, 1820)
+ Unio verrucosus Barnes, 1823
+ Unio tuberculosus Valenciennes, 1827

Unio turgidulus Lea, 1858

Unio turgidus Lea, 1838
+ Unio mortoni Conrad, 1835

Unio vittatus Lea, 1859

Unio woodwardianus [sic] Lea, 1857
+ Unio woodwardianus Lea, 1859