Alasmodon inflata Swainson, 1840
Swainson, 1840. Treat. Malacol.: 289, footnote.
(intro'd as syn of Uniopsis mytiloides Swainson, 1840)

Anodon areolatus Swainson, 1829
Swainson, 1829. Zool. Illustr. 1: pl. 18.
Swainson, 1840. Treat. Malacol.: 381 [as ‘Hemiodon areolata’].

Anodon elongatus Swainson, 1823
Swainson, 1823. Zool. Illustr. 3(1): pl. 176.
Swainson, 1840. Treat. Malacol.: 381 [as ‘Lamproscapha elongata’].

Anodon ovata Swainson, 1841
Swainson, 1840. Treat. Malacol.: 381 [as ‘Patularia ovata’].
Swainson, 1841. Ex. Conch.: 30, pl. 36.

Anodon purpurascens Swainson, 1823
Swainson, 1823. Zool. Illustr. 3(1): pl. 160 [260?].
Swainson, 1840. Treat. Malacol.: 287; 381 [as ‘Hemiodon purpurscens’].

Anodon rotundatus Swainson, 1841
Swainson, 1840. Treat. Malacol.: 381 [as ‘Patularia rotundatus’].
Swainson, 1841. Ex. Conch.: 31, pl. 37.

Anodon rubra Swainson, 1840
Swainson, 1840. Treat. Malacol.: 287.
(error for Anodonta rubens Lamarck, 1819)

Anodon rugosus Swainson, 1822
Swainson, 1822. Zool. Illustr. 2: pl. 96.
Swainson, 1840. Treat. Malacol.: 262.

Anodonta trapezialis Blainville, 1825
‘Lamarck’ of Authors.
Blainville, 1825. Manuel Malacol. et Conch.: 538.
Bory de St. Vincent, 1827. Encycl. Méth. 2: 147.
Menke, 1828. Syn. Method. Moll.: 63.
Menke, 1830. Syn. Method. Moll.: 106.
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 93.
d’Orbigny, 1835. Mag. Zool. 5(61-62): 43.
Lea, 1836. Synopsis Fam. Naiades: 53.
Lea, 1838. Synopsis Fam. Naiades: 31.
Swainson, 1840. Treat. Malacol.: 287.
Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 220.
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5: 596.
Lea, 1852. Synopsis Fam. Naiades: 52.
Hupé, 1857. [in] Castelnau, Anim. Nouv. Rares d’Amer. Sud: 85.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 504.
Lea, 1870. Synopsis Fam. Naiades: 82.
Ihering, 1893. Arch. Naturg. 59(1): 135.
Corsi, 1900. Anais Mus. Nac. Montevideo 2: 456.
Marshall, 1915. Proc. U.S. Nat. Mus. 49(2122): 529.
Haas, 1929. Senckenbergiana 11: 340.
H.B. Baker, 1930. Occ. Pap. Mus. Zool. Univ. Mich. (210): 70.
Morretes, 1949. Arqu. Mus. Paranaense 7: 27.
(error for Anodonta trapesialis Lamarck, 1819)

Calceola angulata Swainson, 1840
Swainson, 1840. Treat. Malacol.: 382.
(new name for Unio calceolus Lea, 1828)

Castalia cordata Swainson, 1840
Humphrey, 1797. Mus. Col.: ??. [non-binomial]
‘Humphrey’ Swainson, 1840. Treat. Malacol.: 284, 379, footnote.
‘Humphrey’ Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 509.
Adams & Adams, 1858. Gen. Rec. Moll. 3: pl. 120, figs. 2-2a.
Type(s): HOLOTYPE BMNH_1965197, British Guayana.

Castalia (Naïa) picta Swainson, 1840
Bruguière, 1797. Encycl. Méth. 2: pl. 248, fig. 6.
‘Müller’ Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 78, var. b [as ‘Unio corrugata’]. [in part]
Swainson, 1840. Treat. Malacol.: 379.

Complanaria gigas Swainson, 1840
Sowerby, 1839. Conch. Man.: 2, fig. 141.
Swainson, 1840. Treat. Malacol.: 288, 382.

Hyria elongata Swainson, 1841
Gray, 1825. Ann. Phil. 9: 138 [as ‘elongatum’]. [nomen nudum]
Swainson, 1840. Treat. Malacol.: 284, 380. [nomen nudum]
Swainson, 1841. Ex. Conch.: 29, pl. 24.

Iridina ovata Swainson, 1823
Swainson, 1823. Philos. Mag. & J. 61: 113.
Swainson, 1840. Treat. Malacol.: 380.
(renamed Arca rostrum Wood, 1828)

Mysca mexicana Swainson, 1840
Swainson, 1840. Treat. Malacol.: 279. [nomen nudum]

Mysca (Potomida) corrugata Swainson, 1840
Swainson, 1840. Treat. Malacol.: 268-269, fig. 51; 281-282, fig. 57; 379.

Naia elongata Swainson, 1840
Swainson, 1840. Treat. Malacol.: 285. [nomen nudum]

Potomida sicula Swainson, 1840
Swainson, 1840. Treat. Malacol.: 282, fig. 58.
Type(s): POSSIBLE SYNTYPE BMNH_1907-10-28-255, Lake Leontini, Sicily.

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 calciolus Swainson, 1840
Swainson, 1840. Treat. Malacol.: 289, footnote.
(error for Unio calceolus Lea, 1828)

Unio gigas Swainson, 1824
Swainson, 1824. Quart. J. Sci., Lit. & Arts 17: 15.
Swainson, 1840. Treat. Malacol.: 262, 265, 378.

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 marginata Swainson, 1840
‘Lamarck’ Swainson, 1840. Treat. Malacol.: 278.
(error for Unio marginalis Lamarck, 1819)

Unio mytiliodes Swainson, 1840
Swainson, 1840. Treat. Malacol.: 292.
(error for Unio (s.s.) mytiloides Swainson, 1840)

Unio nodosa Swainson, 1840
‘Wood’ Swainson, 1840. Treat. Malacol.: 268, footnote.
(error for Mya nodulosa Wood, 1815)

Unio ossidens Swainson, 1840
Swainson, 1840. Treat. Malacol.: 262.
(error for Unio occidens Lea, 1829)

Unio sinuosa Swainson, 1840
‘Lamarck’ Swainson, 1840. Treat. Malacol.: 262.
(error for Unio sinuata Lamarck, 1819)

Unio truncatus Swainson, 1823
Swainson, 1823. Zool. Illustr. 3(1): pl. 10.
Swainson, 1840. Treat. Malacol.: 269-270.
(homonym of Unio truncatus Spengler, 1793)

Unio (Cunicula) foliacia Swainson, 1840
‘Say’ Swainson, 1840. Treat. Malacol.: 274.
(error for Unio foliatus Hildreth, 1828)

Unio (Cunicula) purpurata Swainson, 1840
‘Lam.’ Swainson, 1840. Treat. Malacol.: 267, 274.
(error for Unio purpurascens Lamarck, 1819)

Unio (s.s.) mytiloides Swainson, 1840
‘Rafinesque’ Swainson, 1840. Treat. Malacol.: 269-270, figs. 52-53; 292 [as ‘mytilïodes’].
(misidentified reference to Pleurobema mytiloides Rafinesque, 1820)

Unio (Theliderma) pustulata Swainson, 1840
Swainson, 1840. Treat. Malacol.: 271, fig. 54d; 273.
(homonym of Unio pustulatus Lea, 1831)

Uniopsis mytiloides Swainson, 1840
‘Lea’ Swainson, 1840. Treat. Malacol.: 289 [as ‘Uniopsis radiata’].
Swainson, 1840. Treat. Malacol.: 382, fig. 62 [as ‘mytiloïdes’].
(renamed Unio swainsoni Sowerby, 1868)

Uniopsis radiata Swainson, 1840
‘Lea’ Swainson, 1840. Treat. Malacol.: 289, fig. 62.
(misidentified reference to Alasmodonta radiata Conrad, 1834; renamed Unio swainsoni Sowerby, 1868)