Alasmodonta Say, 1819
‘Say’ of Authors.
Say, 1819, Nich. Encyc. 4: [18].
Barnes, 1823, Amer. J. Sci. 6 (1-2): 275.
Say, 1825, Jour. Acad. Nat. Sci. 5(3-4): 131.
Férussac, 1827, Bull. Sci. Nat. et Géol. 10: 417.
Hildreth, 1828, Amer. J. Sci. 14: 289.
Lea, 1829, Trans. Amer. Phil. Soc. 3 [O. 1]: 421.
Menke, 1830, Syn. Method. Moll.: 106.
Ferussac, 1835, Mag. Zool. 5: 25.
Lea, 1836, Synopsis Fam. Naiades: 43.
Schlüter, 1838, Kurzgef. Syst. Verz. Conch. Samml.: 32.
Agassiz, 1852, Arch. Naturg. 18(1): 46.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 499.
Vest, 1866, Verh. Mitth. Siebenbürg. Ver. Naturw. (17): 197.
Sowerby, 1868, Conch. Icon. 16: pl. 1.
(new name for Alasmidonta Say, 1818; renamed Anelasmodon Agassiz, 1846)

Unio litoralis Menke, 1828
‘Lamarck’ of Authors.
Menke, 1828, Syn. Method. Moll.: 64.
Menke, 1830, Syn. Method. Moll.: 107.
Lea, 1836, Synopsis Fam. Naiades: 32.
Lea, 1838, Synopsis Fam. Naiades: 22.
Swainson, 1840, Treat. Malacol.: 282.
Lea, 1852, Synopsis Fam. Naiades: 34.
Rossmässler, 1854, Icon. Land- und Süssw.-Moll. 3 (1-2): 37.
Küster, 1855, Conchyl. Cab. 9(2): 128.
Reeve, 1865, Conch. Icon. 16: pl. 22, sp. 98.
Sowerby, 1868, Conch. Icon. 16: pl. 86, sp. 461.
Lea, 1870, Synopsis Fam. Naiades: 54.
Woodward, 1871, Man. Moll: 433.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 52.
(error for Unio littoralis Cuvier, 1798)

Unio verrucosus Say, 1834
‘Rafinesque’ of Authors.
‘Rafinesque’ Say, 1834, Amer. Conch. 6: ??.
‘Rafinesque’ Sowerby, 1868, Conch. Icon. 16: pl. 1, sp. 4.
(reference to Obliquaria (Ellipsaria) verrucosa Rafinesque, 1820)

Margaritana curreyana Lea, 1842
‘Lea’ of Authors.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: pl. 18, fig. 40.
Agassiz, 1852, Arch. Naturg. 18(1): 47.
Lea, 1852, Synopsis Fam. Naiades: 42.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 263.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 499.
Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 319.
Lea, 1870, Synopsis Fam. Naiades: 68.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [6].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 661.
Simpson, 1914, Descr. Cat. Naiades: 474.
Frierson, 1927, Check List N. Amer. Naiades: 21.
Haas, 1969, Das Tierreich 88: 395.
(error for Margaritana curreyiana Lea, 1840)

Unio roanoakensis Hanley, 1843
‘Lea’ of Authors.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 199.
Sowerby, 1868, Conch. Icon. 16: pl. 67, sp. 341.
(error for Unio roanokensis Lea, 1838)

Unio capigliolo Küster, 1855
‘Payraudeau’ of Authors.
Küster, 1855, Conchyl. Cab. 9(2): 125, pl. 34, figs. 5-6. [in part]
Sowerby, 1868, Conch. Icon. 16: pl. 75, sp. 392.
(misidentified reference to Unio capigliolo Payraudeau, 1826)

Unio ellipticus Küster, 1861
‘Spix & Wagner’ of Authors.
Küster, 1861, Conchyl. Cab. 9(2): 238, pl. 80, fig. 2.
‘Spix’ Sowerby, 1868, Conch. Icon. 16: pl. 74, sp. 382.
(reference to Diplodon ellipticum Wagner, 1827)

Unio trinacris Lea, 1862
‘Lea’ of Authors.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: pl. 12, fig. 235.
Sowerby, 1868, Conch. Icon. 16: pl. 81, sp. 428.
(error for Unio trinacrus Lea, 1861)

Unio subovatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 85, sp. 456.
(reference to Unio subovatus Lea, 1831)

Unio niloticus Sowerby, 1868
‘Caillaud’ [sic] Sowerby, 1868, Conch. Icon. 16: pl. 73, sp. 374.
(misidentified reference to Unio niloticus Cailliaud, 1827)

Unio regularis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 351.
(misidentified reference to Unio regularis Lea, 1841)

Unio lutulentus Sowerby, 1868
‘Gould’ Sowerby, 1868, Conch. Icon. 16: pl. 74, sp. 386.
(reference to Unio lutulentus Gould, 1850)

Unio calamitarum Sowerby, 1868
‘Morelet’ Sowerby, 1868, Conch. Icon. 16: pl. 74, sp. 385.
(reference to Unio calamitarum Morelet, 1849)

Unio rubellianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 90, sp. 490.
(error for Unio rubellinus Lea, 1857)

Unio rusticus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 64, sp. 324; errata.
(homonym of Unio rusticus Lea, 1856)

Unio atrocostatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 77, sp. 404.
(misidentified reference to Unio atrocostatus Lea, 1845)

Unio clairbornensis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 70, sp. 357.
(error for Unio claibornensis Lea, 1838)

Unio vaughanianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 61, sp. 308.
(misidentified reference to Unio vaughanianus Lea, 1838)

Unio striatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 78, sp. 407.
(misidentified reference to Unio striatus Lea, 1840)

Unio parma Sowerby, 1868
‘Benson’ Sowerby, 1868, Conch. Icon. 16: pl. 95, sp. 514.
Type(s): HOLOTYPE (MONOTYPY) BMNH_88-12-4-1669, Tenasserim, Burma.

Unio spatulatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 328.
(misidentified reference to Unio spatulatus Lea, 1845)

Unio swainsoni Sowerby, 1868
‘Hanley’ Sowerby, 1868, Conch. Icon. 16: pl. 76, sp. 396.
(new name for Uniopsis radiata Swainson, 1840; new name for Uniopsis mytiloides Swainson, 1840)
Type(s): HOLOTYPE BMNH_1900-3-19-21, Hab._?

Unio neglectus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 329.
(misidentified reference to Unio neglectus Lea, 1843)

Unio troostensis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 79, sp. 415.
(misidentified reference to Unio troostensis Lea, 1834)

Unio trigonus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 64, sp. 322; errata.
(reference to Unio trigonus Lea, 1831)

Unio prevostianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 315.
(reference to Unio prevostianus Lea, 1852)

Unio subangulatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 327.
(misidentified reference to Unio subangulatus Lea, 1840)

Unio churchilleanus Sowerby, 1868
‘Bourguignat’ Sowerby, 1868, Conch. Icon. 16: pl. 96, sp. 525.
(error for Unio churchillianus Bourguignat, 1857)

Unio corrianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 77, sp. 401.
(misidentified reference to Unio corrianus Lea, 1834)

Unio cuprinus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 66, sp. 336.
(reference to Unio cuprinus Lea, 1831)

Unio lamellatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 94, sp. 511.
(misidentified reference to Unio lamellatus Lea, 1838)

Unio latissimus Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 66, sp. 337.
(homonym of Unio (Eurynia) latissima Rafinesque, 1820)

Unio verrauianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 69, sp. 352.
(error for Unio verreauianus Lea, 1856)

Unio rectilinearis Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 332.
Type(s): HOLOTYPE BMNH_74-12-11-4, Riv. Columbia.

Unio dorbignianus Sowerby, 1868
‘Hupé & Deville’ Sowerby, 1868, Conch. Icon. 16: pl. 96, sp. 523 [as ‘d’orbignianus’].
(error for Unio orbignyi Deville & Hupé, 1850)

Unio oriens Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 314.
(misidentified reference to Unio oriens Lea, 1831)

Unio holstonianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 76, sp. 398.
(error for Margaritana holstonia Lea, 1838)

Unio taitanus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 67, sp. 338.
(misidentified reference to Unio taitianus Lea, 1834; error for Unio taitianus Lea, 1834)

Unio scutum Sowerby, 1868
‘Benson’ Sowerby, 1868, Conch. Icon. 16: pl. 94, sp. 510.
Type(s): HOLOTYPE (MONOTYPY) BMNH_1907-10-28-239, Tenasserim.

Unio siculus Sowerby, 1868
‘Swainson’ Sowerby, 1868, Conch. Icon. 16: pl. 71, sp. 364.
(misidentified reference to Potomida sicula Swainson, 1840)

Unio discus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 62, sp. 310; errata.
(misidentified reference to Unio discus Lea, 1838)

Unio cinnamominus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 83, sp. 436.
(error for Unio cinnamomicus Lea, 1861)

Unio tortuosus Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 330.
(homonym of Unio tortuosus Lea, 1865)
Type(s): HOLOTYPE (MONOTYPY) BMNH_74-12-11-25, Maryland.

Unio connasaughensis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 88, sp. 474.
(error for Margaritana connasaugaensis Lea, 1858)

Unio pictus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 316.
(misidentified reference to Unio pictus Lea, 1834)

Unio luteolus Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 61, sp. 306; errata [originally as U. multiradiata].
Krebs et al., 2003, J. Gr. Lakes Res. 29(2): 311.
Krebs, 2004, Molec. Ecol. 13: 1702.
(misidentified reference to Unio luteola Lamarck, 1819)

Unio digitiformis Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 333.
Type(s): HOLOTYPE BMNH_1965199, India.

Unio jejunus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 347; errata [changed to ‘depressus of D’Orbigny’].
(reference to Unio jejunus Lea, 1838)

Unio crassidens Sowerby, 1868
‘Lamarck’ Sowerby, 1868, Conch. Icon. 16: pl. 62, sp. 312.
(reference to Unio crassidens Lamarck, 1819)

Unio venustus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 64, sp. 326.
(misidentified reference to Unio venustus Lea, 1838)

Unio affinis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 318.
(misidentified reference to Unio affinis Lea, 1852)

Unio charruanus Sowerby, 1868
‘d’Orbigny’ Sowerby, 1868, Conch. Icon. 16: pl. 93, sp. 505.
(misidentified reference to Unio charruana d’Orbigny, 1835)

Unio lazarus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 348.
(misidentified reference to Unio lazarus Lea, 1852)

Unio affinis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 61, sp. 307.
(misidentified reference to Unio affinis Lea, 1852)

Unio vondembuschii Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 95, sp. 518.
(error for Margaritana vondenbuschiana Lea, 1840; misidentified reference to Margaritana vondenbuschiana Lea, 1840)

Unio multiradiatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 61, sp. 306; errata [changed to ‘U. luteolus, var.’].
(error for Unio luteola Lamarck, 1819; misidentified reference to Unio multiradiatus Lea, 1829)

Unio trirostris Sowerby, 1868
‘Benson’ Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 331; errata.
(homonym of Unio trirostris Musgrave, 1863)

Unio nyassensis Sowerby, 1868
‘Lea’ of Authors.
Sowerby, 1868, Conch. Icon. 16: Errata.
Lea, 1870, Synopsis Fam. Naiades: 30.
(error for Unio nyassaensis Lea, 1864)

Unio crassus Sowerby, 1868
‘Say’ Sowerby, 1868, Conch. Icon. 16: pl. 95, sp. 520.
(misidentified reference to Unio crassus Say, 1817)

Unio wynegungensis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 67, sp. 339.
(error for Unio wynegungaensis Lea, 1860)

Unio jayensis var. aequillus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 67, sp. 343 [as ‘æquillus’].
(error for Unio aquilus Lea, 1857)

Unio hopetownensis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 349.
(error for Unio hopetonensis Lea, 1838)

Unio downei Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 350.
(error for Unio downiei Lea, 1858)

Unio platyrrhinchoideus Sowerby, 1868
‘Dupuy’ Sowerby, 1868, Conch. Icon. 16: pl. 70, sp. 358.
(error for Unio platyrinchoideus Dupuy, 1849)

Unio asperatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 85, sp. 450.
(reference to Unio asperatus Lea, 1861)

Unio sagrinatus Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 67, sp. 345; errata [changed to ‘U. newcombianus Lea’].

Unio spillmannii Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 82, pl. 435.
(error for Margaritana spillmanii Lea, 1858)

Alasmidonta schomburgki Sowerby, 1868
‘Hanley MS’ Sowerby, 1868, Conch. Icon. 16: pl. 86, sp. 458.
(intro'd as syn of Unio (Monocondylea) reticulata Moricand, 1858)

Unio astieranus Sowerby, 1868
‘Dupuy’ of Authors.
Sowerby, 1868, Conch. Icon. 16: pl. 86, sp. 461.
Paetel, 1890, Cat. Conch.-Samml. 3: 145.
(error for Unio astierianus Dupuy, 1849)

Unio contortus Sowerby, 1868
‘Baird & Adams’ Sowerby, 1868, Conch. Icon. 16: errata.
(error for Unio (Lampsilis) subtortus Baird & Adams, 1867)

Unio shurtefflerianus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 95, sp. 515.
(error for Unio shurtleffianus Lea, 1856)

Unio velaris Sowerby, 1868
‘Benson, in Hanley’ Sowerby, 1868, Conch. Icon. 16: pl. 72, sp. 368.
(misidentified reference to Unio velaris Hanley, 1856)

Physunio friersoni Simpson, 1914
‘Benson, in Hanley’ Sowerby, 1868, Conch. Icon. 16: pl. 72, sp. 368 [as ‘Unio velaris’].
Simpson, 1914, Descr. Cat. Naiades: 1068.
(new name for Unio velaris Sowerby, 1868)

Psoronaias plexoideus Frierson, 1927
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 64, sp. 324; errata [as ‘Unio rusticus’].
Frierson, 1927, Check List N. Amer. Naiades: 63, sp. 273.

Lampsilis (s.s.) sowerbyana Frierson, 1927
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 316 [as ‘Unio pictus’].
Frierson, 1927, Check List N. Amer. Naiades: 69, sp. 308.

Unio affinis Lea, 1852

Unio alabamensis (Lea, 1861)

Unio ambiguus Philippi, 1847

Unio amoenus Lea, 1840

Unio angustatus Lea, 1831

Unio aratus Lea

Unio arctior Lea, 1838

Unio asperatus Lea, 1861

Unio astieranus [sic] Dupuy, 1850
+ Unio cuneatus Rossmässler, 1854

Unio atrocostatus Lea, 1848

Unio aureus Lea, 1859

Unio biangulatus Lea, 1842

Unio bilineatus (Lea, 1831)

Unio blandianus Lea, 1856

Unio bonellii Férussac in Rossmässl.
+ Unio depressa C. Pfeiffer, 1825
+ Alasmodonta compressa Menke, 1830

Unio bonneaudi Eydoux, 1838
+ Unio shurtleffianus Lea, 1856

Unio boykinianus Lea, 1840

Unio bulloides Lea, 1859

Unio caeruleus form trirostris ‘Benson’ Sowerby, 1868

Unio calamitarum Morelet, 1849

Unio calceola Lea, 1828
+ Alasmodonta truncata Conrad, 1834

Unio caldwellii Lea, 1858

Unio camptodon Say, 1832
+ Unio declivis Conrad, 1836
+ Unio sayii Tappan, 1839

Unio capigliolo Payraudeau, 1826

Unio cerinus Conrad, 1838

Unio charruanus d’Orbigny, 1835
+ Unio faba d’Orbigny, 1835

Unio churchilleanus [sic] Bourguignat, 1857

Unio cinnamominus [sic] (Lea, 1861)

Unio clairbornensis [sic] Lea, 1838

Unio clava Lamarck, 1819

Unio coccineus Lea, 1838
+ Unio catillus Conrad, 1836

Unio compressa (Lea, 1829)

Unio concavus Lea, 1852

Unio concolor Lea, 1861

Unio connasaughensis [sic] (Lea, 1858)

Unio consanguineus Lea, 1861

Unio constrictus Conrad, 1838

Unio cordatus ‘Raf.’ Conrad, 1836

Unio corrianus Lea, 1834

Unio corrientesensis (d’Orbigny, 1835)

Unio corrugatus (Müller, 1774)
+ Mya spuria Gmelin, 1791

Unio corvus Lea, 1859

Unio costulatus Moricand, 1858

Unio couchianus (Lea, 1860)

Unio crassidens Lamarck, 1819

Unio crassus Say, 1817

Unio crebristriatus (Anthony, 1865)

Unio cuprinus Lea, 1831

Unio curreyana [sic] (Lea, 1840)

Unio dariensis Lea, 1842

Unio decoratus Lea, 1852

Unio decumbens Lea, 1861

Unio dehiscens Say, 1829
+ Unio oriens Lea, 1831

Unio deltoideus (Lea, 1838)

Unio depressa d’Orbigny, 1835
+ Unio auratus Philippi, 1847

Unio digitiformis Sowerby, 1868

Unio discus Lea, 1838

Unio downei [sic] Lea, 1858

Unio dunkerianus Lea, 1856

Unio duttonianus Lea, 1841

Unio d’orbignianus [sic] Deville & Hupé, 1850

Unio ebenus Lea, 1831

Unio elegans Lea, 1831
+ Unio truncatus Say, 1834

Unio ellipsis Lea, 1828

Unio ellipticus Spix
+ Unio psammactinus Philippi, 1848

Unio elongatulus ‘Mühlf.’ Rossmässler, 1835
+ Unio requienii Michaud, 1831

Unio elongatus Lamarck, 1819

Unio emarginatus Lea, 1834

Unio excavatus Lea, 1857

Unio eximius Lea, 1856

Unio fabula (Lea, 1838)

Unio falcatus (Gould, 1850)

Unio fallax Lea, 1857

Unio famelicus Gould, 1850

Unio favosus Lea, 1856

Unio folliculatus Lea, 1838

Unio fontaineanus [sic] d’Orbigny, 1843
+ Unio rotundus Moricand, 1838

Unio forbesianus Lea, 1852

Unio fossiculiferus (d’Orbigny, 1835)

Unio fulvus Lea, 1834

Unio gesnerii Lea, 1874

Unio gibbosus Barnes, 1823

Unio glaber Lea, 1838

Unio glebulus Say, 1831
+ Unio subglobosus Lea, 1834

Unio gratus Lea, 1860

Unio griffithianus Lea, 1834

Unio guarayana d’Orbigny, 1835

Unio heermanni Lea, 1862

Unio higginsii Lea, 1857

Unio hochstetteri Dunker, 1862

Unio holstonianus [sic] (Lea, 1838)

Unio hopetownensis [sic] Lea, 1838

Unio houstonensis Lea, 1859

Unio hylaeus d’Orbigny, 1835
+ Unio guaraniana d’Orbigny, 1835

Unio isocardioides (Lea, 1856)

Unio japanensis Lea, 1859

Unio javanus Lea, 1840
+ Unio mutatus Mousson, 1849

Unio jayensis var. æquillus [sic] Lea, 1857

Unio kirtlandianus Lea, 1834

Unio lamarckianus Lea, 1852
+ Unio aberti Conrad, 1850

Unio lamellatus Lea, 1838

Unio lampreyanus Baird & Adams, 1867

Unio latissimus Sowerby, 1868

Unio lazarus Lea, 1852

Unio lienosus Conrad, 1834

Unio lineatus Lea, 1840

Unio lugubris Lea, 1838

Unio luteolus Lamarck, 1819

Unio lutulentus Gould, 1851

Unio macrodon Lea, 1859

Unio margaritiferus (Linnaeus, 1758)

Unio medius Lea, 1861

Unio melinus (Conrad, 1838)

Unio minuanus (d’Orbigny, 1835)
+ Unio (Monocondylaea) parchappii d’Orbigny, 1835

Unio mouhotianus [sic] (Lea, 1866)

Unio multiradiatus Lea, 1829
+ Unio fasciolus Say, 1834
+ Unio ligamentinus Deshayes, 1835

Unio multistriatus Lea, 1831

Unio natalensis Lea, 1864

Unio neglectus Lea, 1841

Unio newcombianus Lea, 1856
+ Unio sagrinatus Sowerby, 1868

Unio niger Conrad (as of Raf.)

Unio niloticus Cailliaud, 1827
+ Unio parreyssi Philippi, 1848
+ Unio pumilio Küster, 1862

Unio nodulosus (Wood, 1815)
+ Mya nodulosa Wood, 1815
+ Unio grandidens Lea, 1862

Unio nux persicus Dunker, 1848

Unio nyassensis [sic] Lea, 1864
+ Unio nyassae Sowerby, 1866

Unio occatus Lea, 1860

Unio ochraceus Say, 1817

Unio oregonensis Lea, 1852

Unio oriens Lea, 1831

Unio orientalis Lea, 1840
+ Unio productus Mousson, 1849

Unio osbecki Philippi, 1844
+ Unio douglasiae Griffith & Pidgeon, 1833

Unio parallelopipedon Lea, 1834

Unio parma ‘Benson’ Sowerby, 1868

Unio pazii Lea, 1862

Unio peguensis Anthony, 1865

Unio pellis-lacerti Morelet, 1865
+ Unio crispata Gould, 1843

Unio peraeformis Lea, 1860

Unio perdix Lea, 1834

Unio perstriatus Lea, 1852

Unio phaseolus Hildreth, 1828
+ Unio planulatus Lea, 1829

Unio pictus Lea, 1834

Unio piger Lea, 1860

Unio plantii Lea, 1857

Unio platyrrhinchoideus [sic] Dupuy, 1849

Unio plenus Lea, 1840

Unio pliciferus Lea, 1838
+ Unio carbonarius Lea, 1838
+ Unio plexus Conrad, 1838

Unio poeyanus Lea, 1857

Unio popei Lea, 1857

Unio powellii Lea, 1852

Unio prevostianus Lea, 1852

Unio propinquus Lea, 1857

Unio psammoicus d’Orbigny, 1835

Unio pudicus Lea, 1860

Unio pugio Benson, 1862

Unio pullatus Lea, 1856

Unio purpureus Say, 1817
+ Mya complanata Lightfoot, 1786
+ Unio purpurascens Lamarck, 1819
+ Unio rhombula Lamarck, 1819
+ Unio carinifera Lamarck, 1819
+ Unio georgina Lamarck, 1819
+ Unio glabrata Lamarck, 1819
+ Unio sulcidens Lamarck, 1819
+ Unio fuliginosus Lea, 1845
+ Unio sordidus Lea, 1852

Unio pyramidatus Lea, 1831

Unio ravistellus Morelet, 1849

Unio rectilinearis Sowerby, 1868

Unio regularis Lea, 1841

Unio reniformis ‘Schmidt’ Rossmässler, 1836

Unio reticulatus Moricand, 1858
+ Alasmidonta schomburgki Sowerby, 1868

Unio retusus Lamarck, 1819
+ Unio obtusa Cuvier, 1817
+ Obovaria torsa Rafinesque, 1820

Unio rhomboideus (Lea, 1859)

Unio riddellii Lea, 1862

Unio roanoakensis [sic] Lea, 1838

Unio rotundus Spix

Unio rowellii Lea, 1859

Unio rubellianus [sic] Lea, 1857

Unio rufusculus Lea, 1852

Unio rusticus Lea, 1856
+ Unio tumidulus Lea, 1856

Unio sagittiformis Lea, 1852

Unio salwenianus (Gould, 1844)

Unio sandrii ‘Villa’ Rossmässler, 1844

Unio sapotalensis Lea, 1841

Unio satur Lea, 1852

Unio scobinatus Lea, 1856

Unio scutum ‘Benson’ Sowerby, 1868

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

Unio showalterii Lea, 1860

Unio siculus (Swainson, 1840)
+ Unio turtonii Payraudeau, 1826

Unio sikkimensis Lea, 1859

Unio sinuata Lamarck, 1819
+ Unio roissyi Michaud, 1831
+ Unio elongata Michaud, 1831

Unio solisianus d’Orbigny, 1835

Unio spatulatus Lea, 1845

Unio speciosus Lea, 1862

Unio spillmannii [sic] (Lea, 1858)

Unio spissus Lea, 1859

Unio stonensis Lea, 1840

Unio stramineus Conrad, 1834

Unio striatissimus Anthony, J.G., 1865

Unio striatulus Lea, 1857

Unio striatus Lea, 1840

Unio subangulatus Lea, 1840

Unio subtentus Say, 1825

Unio subtortus Baird & Adams, 1867

Unio swainsoni ‘Hanley’ Sowerby, 1868
+ Uniopsis mytiloides Swainson, 1840
+ Uniopsis radiata Swainson, 1840

Unio taitanus [sic] Lea, 1834

Unio teretiusculus Philippi, 1847
+ Margarita (Unio) cailliaudii Lea, 1836
+ Unio lithophagus Philippi, 1847

Unio tientsinensis Crosse & Debeaux, 1863

Unio tortuosus Sowerby, 1868

Unio triangularis Barnes, 1823
+ Unio formosus Lea, 1831

Unio triangulata (Lea, 1858)

Unio trigonus Lea, 1831
+ Unio undatus Barnes, 1823

Unio trinacris [sic] Lea, 1861

Unio troostensis Lea, 1834
+ Unio trabalis Conrad, 1834

Unio truncatus Swainson, 1823

Unio tumidulus Lea, 1856

Unio undulatus Say, 1817
+ Unio glabratus Sowerby & Sowerby, 1821
+ Unio hians Valenciennes, 1827
+ Alasmodonta sculptilis Say, 1829

Unio uruguayensis Lea, 1860

Unio variabilis (Maton, 1811)
+ Unio membranacea Hanley, 1843

Unio vaughanianus Lea, 1838

Unio velaris ‘Benson MS’ Hanley, 1856

Unio venustus Lea, 1838

Unio verrauianus [sic] Lea, 1856

Unio verrucosa (Rafinesque, 1820)
+ Unio tuberculatus Barnes, 1823
+ Unio (Theliderma) pustulata Swainson, 1840

Unio vondembuschii [sic] (Lea, 1840)

Unio vondenbuschianus (Lea, 1840)
+ Alasmodonta crispata Mousson, 1849
+ Alasmodonta zollingeri Mousson, 1849

Unio wardii Lea, 1862

Unio wheatleyanus Lea, 1856

Unio wilsonii Lea, 1859

Unio wymanii Lea, 1860

Unio wynegungensis [sic] Lea, 1860