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 manubrius Paetel, 1890
‘Gould’ of Authors.
Paetel, 1890, Cat. Conch.-Samml. 3: 158.
Call, 1895, Trans. Acad. Sci. St. Louis 7: 53.
Call, 1900, Ind. Dept. Geol. Nat. Res. (1899): 518.
(error for Unio manubius Gould, 1855)

Unio obliquus Call, 1900
‘Lamarck’ of Authors.
Call, 1900, Ind. Dept. Geol. Nat. Res. (1899): 501, pl. 57.
Ortmann, 1912, Ann. Carnegie Mus. 8: 264.
(reference to Unio obliqua Lamarck, 1819)

Unio orbiculatus Call, 1900
‘Hildreth’ Call, 1900, Ind. Dept. Geol. Nat. Res. (1899): 492.
Baker, 1905, Trans. Acad. Sci. St. Louis 15: 253.
Shimek, 1921, Iowa Conserv. 5: 1.
(misidentified reference to Unio orbiculatus Hildreth, 1828)

Unio (Anodonta) dehiscens Say, 1829

Unio (Anodonta) edentula (Say, 1829)
+ Anodonta ferruginea Lea, 1840
+ Anodonta shaefferiana Lea, 1852

Unio (Anodonta) footiana (Lea, 1840)

Unio (Anodonta) grandis (Say, 1829)
+ Anodonta plana Lea, 1834
+ Anodonta decora Lea, 1838
+ Anodonta gigantea Lea, 1838

Unio (Anodonta) imbecillis (Say, 1829)

Unio (Anodonta) salmonia (Lea, 1838)

Unio (Anodonta) subcylindracea (Lea, 1838)
+ Anodonta ferussaciana Lea, 1834

Unio (Anodonta) suborbiculata (Say, 1831)

Unio (Anodonta) wardiana (Lea, 1838)
+ Anodonta pavonia Lea, 1838

Unio (Margaritana) complanata (Barnes, 1823)

Unio (Margaritana) confragosa (Say, 1829)

Unio (Margaritana) deltoidea (Lea, 1838)
+ Unio calceolus Lea, 1828

Unio (Margaritana) hildrethiana Lea, 1834

Unio (Margaritana) marginata (Say, 1819)

Unio (Margaritana) monodonta Say, 1829

Unio (Margaritana) rugosa (Barnes, 1823)

Unio (s.s.) alatus Say, 1817

Unio (s.s.) capax Green, 1832

Unio (s.s.) circulus Lea, 1829
+ Unio lens Lea, 1831
+ Unio leibii Lea, 1862

Unio (s.s.) clavus Lamarck, 1819
+ Unio patulus Lea, 1829
+ Unio decisus Lea, 1831
+ Unio modioliformis Lea, 1834
+ Unio clavus Conrad, 1835
+ Unio chattanoogaensis Lea, 1858
+ Unio curtus Lea, 1859
+ Unio consanguineus Lea, 1861
+ Unio pallidofulvus Lea, 1861
+ Unio interventus Lea, 1861
+ Unio concolor Lea, 1861
+ Unio anaticulus Lea, 1861
+ Unio crebrivittatus Lea, 1861

Unio (s.s.) coccineus Lea, 1838
+ Unio gouldianus Jay, 1839

Unio (s.s.) cooperianus Lea, 1834

Unio (s.s.) cornutus Barnes, 1823

Unio (s.s.) crassidens Lamarck, 1819

Unio (s.s.) cylindricus Say, 1817

Unio (s.s.) cyphyus (Rafinesque, 1820)
+ Unio aesopus Green, 1827

Unio (s.s.) donaciformis Lea, 1828
+ Unio zigzag Lea, 1829

Unio (s.s.) ebenus Lea, 1831

Unio (s.s.) elegans Lea, 1831

Unio (s.s.) ellipsis Lea, 1828
+ Unio pealei Lea, 1871

Unio (s.s.) fabalis Lea, 1831
+ Unio lapillus Say, 1831

Unio (s.s.) foliatus Hildreth, 1828

Unio (s.s.) fragosus Conrad, 1836

Unio (s.s.) gibbosus Barnes, 1823
+ Unio arctior Lea, 1838
+ Unio stonensis Lea, 1840

Unio (s.s.) glans Lea, 1831
+ Unio pullus Conrad, 1838
+ Unio granulatus Lea, 1861
+ Unio germanus Lea, 1861
+ Unio cromwellii Lea, 1865
+ Unio cylindrellus Lea, 1868
+ Unio corvunculus Lea, 1868

Unio (s.s.) gracilis Barnes, 1823

Unio (s.s.) graniferus Lea, 1838

Unio (s.s.) iris Lea, 1829

Unio (s.s.) irroratus Lea, 1828

Unio (s.s.) lachrymosus [sic] Lea, 1828
+ Unio asperrimus Lea, 1831

Unio (s.s.) laevissimus (Lea, 1829)

Unio (s.s.) ligamentinus Lamarck, 1819
+ Unio crassus Say, 1817

Unio (s.s.) lineolatus (Rafinesque, 1820)
+ Unio securis Lea, 1829

Unio (s.s.) luteolus Lamarck, 1819
+ Unio siliquoideus Barnes, 1823
+ Unio distans J.G. Anthony, 1865

Unio (s.s.) metanevra (Rafinesque, 1820)

Unio (s.s.) multiplicatus Lea, 1831
+ Unio heros Say, 1829
+ Unio perplicatus Reeve, 1864
+ Unio gigas Sowerby, 1867

Unio (s.s.) multiradiatus Lea, 1829

Unio (s.s.) obliquus Lamarck, 1819

Unio (s.s.) orbiculatus Hildreth, 1828

Unio (s.s.) parvus Barnes, 1823
+ Unio parvus Conrad, 1836
+ Unio paulus Lea, 1840
+ Unio minor Lea, 1843
+ Unio marginis Lea, 1865
+ Unio corvinus Lea, 1868
+ Unio vesicularis Lea, 1872

Unio (s.s.) perplexus Lea, 1831
+ Unio rangianus Lea, 1838
+ Unio sampsonii Lea, 1861

Unio (s.s.) personatus Say, 1829
+ Unio capillaris Lea, 1834

Unio (s.s.) phaseolus Hildreth, 1828
+ Unio planulatus Lea, 1829
+ Unio camelus Lea, 1834

Unio (s.s.) plicatus Leseuer

Unio (s.s.) pressus (Lea, 1852)

Unio (s.s.) pustulatus Lea, 1831

Unio (s.s.) pustulosus Lea, 1831
+ Unio dorfeuillianus Lea, 1838

Unio (s.s.) rectus Lamarck, 1819

Unio (s.s.) retusus Lamarck, 1819

Unio (s.s.) rubiginosus Lea, 1829

Unio (s.s.) solidus Lea, 1838
+ Unio plenus Lea, 1840

Unio (s.s.) spatulatus Lea, 1845

Unio (s.s.) subovatus “Say”

Unio (s.s.) subrostratus Say, 1831

Unio (s.s.) sulcatus Lea, 1829

Unio (s.s.) tenuissimus (Lea, 1829)

Unio (s.s.) teres Rafinesque, 1820
+ Unio anodontoides Lea, 1831

Unio (s.s.) tetralasmus Say, 1831
+ Unio declivis Say, 1831
+ Unio camptodon Say, 1832
+ Unio geometricus Lea, 1834
+ Unio excultus Conrad, 1838
+ Unio sayanus Conrad, 1838
+ Unio sayii Tappan, 1839
+ Unio symmetricus Lea, 1845
+ Unio subcroceus Conrad, 1854
+ Unio manubius Gould, 1855
+ Unio jamesianus Lea, 1857

Unio (s.s.) trapezoides Lea, 1831
+ Unio crassidens Lamarck, 1819

Unio (s.s.) triangularis Barnes, 1823
+ Unio formosus Lea, 1831

Unio (s.s.) trigonus Lea, 1831

Unio (s.s.) tuberculatus Barnes, 1823

Unio (s.s.) undulatus Barnes, 1823

Unio (s.s.) varicosus Lea, 1831

Unio (s.s.) ventricosus Barnes, 1823
+ Unio occidens Lea, 1829
+ Unio canadensis Lea, 1857

Unio (s.s.) verrucosus Barnes, 1823