Potamila Rafinesque, 1818
Rafinesque, 1818, Amer. Mon. Mag. 4: 107.
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 288.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 24, 35.
(error for Potamilus Rafinesque, 1818)

Potamilus Rafinesque, 1818
Rafinesque, 1818, Amer. Mon. Mag. 3: 355.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 22.
Type species: Unio alatus Say, 1817 (sub. desig. by Morrison, 1969: 24) = Potamilus alatus

Proptera Rafinesque, 1819
Rafinesque, 1819, Jour. Phys. Chim. Hist. Nat. 88: 426.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 29.
(intro'd as sub-gen. of Unio Retzius, 1788; renamed Metaptera Rafinesque, 1820)

Lastena Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 316.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 59.
(intro'd as sub-gen. of Anodonta Lamarck, 1799; renamed Stenelasma Herrmannsen, 1849)
Type species: Anodonta (Lastena) ohiensis Rafinesque, 1820 (sub. desig. by Herrmannsen, 1847: 577, 58) = Potamilus ohiensis

Leptodea Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 295.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 40.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio (Leptodea) fragilis Rafinesque, 1820 (sub. desig. by Herrmannsen, 1847: 584) = Potamilus fragilis

Metaphera Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): ??.
(error for Metaptera Rafinesque, 1820)

Metaptera Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 299.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 44.
(new name for Proptera Rafinesque, 1819)
Type species: Unio alatus Say, 1817 (sub. desig. by Herrmannsen, 1847: 41) = Potamilus alatus

Symphynota Lea, 1829
Lea, 1829, Trans. Amer. Phil. Soc. 3 [O. 1]: 424, 442 [38].
Type species: Unio alatus Say, 1817 (orig. desig.) = Potamilus alatus

Lasmonos Rafinesque, 1831
Rafinesque, 1831, Continuation: 5.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 81.
(renamed Monelasmus Agassiz, 1846)
Type species: Lasmonos fragilis Rafinesque, 1831 (orig. desig.) = Potamilus fragilis

Symphonota Rafinesque, 1831
‘Lea’ of Authors.
Rafinesque, 1831, Continuation: 7.
Berge, 1847, Conch.-Buch: 69.
Gray, 1847, Proc. Zool. Soc. London 15: 196.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 85.
(error for Symphynota Lea, 1829)

Naidea Swainson, 1840
Swainson, 1840, Treat. Malacol.: 276, 378.
(intro'd as sub-gen. of Aeglia Swainson, 1840)
Type species: Unio ater Lea, 1829 (monotypy) = Potamilus purpuratus

Symphinota Villa, 1841
of Authors.
Villa, 1841, Dispos. Syst. Conchyl.: 43.
‘Lea’ Haas, 1969, Das Tierreich 88: 415.
‘Lea’ Haas, 1969, Treatise on Invert. Paleo: N448.
(error for Symphynota Lea, 1829)

Monelasmus Agassiz, 1846
Agassiz, 1846, Nomencl. Zool. Index Univ.: 237.
(new name for Lasmonos Rafinesque, 1831)

Lostena Gray, 1847
‘Rafinesque’ Gray, 1847, Proc. Zool. Soc. London 15: 196.
(error for Lastena Rafinesque, 1820)

Stenelasma Herrmannsen, 1849
Herrmannsen, 1849, Ind. Gener. Malacol. 2: 502.
(new name for Lastena Rafinesque, 1820)

Symphionota Philippi, 1853
Philippi, 1853, Handb. Conch. Mal.: 450, 492.
(error for Symphynota Lea, 1829)

Lastenes Chenu, 1859
Desmarest in Chenu, 1859, Encycl. Hist. Nat., Crust. Moll. Zooph. 4: 212.
(error for Lastena Rafinesque, 1820)

Noidea Schaufuss, 1869
Schaufuss, 1869, Moll. Syst. Cat. Paetel 7: ix, 21.
(error for Naidea Swainson, 1840)

Monelagmus Paetel, 1875
‘Agas.’ Paetel, 1875, Fam. Gatt. Moll.: 127.
(error for Monelasmus Agassiz, 1846)

Paraptera Ortmann, 1911
Ortmann, 1911, Mem. Carnegie Mus. 4: 301.
Ortmann, 1912, Ann. Carnegie Mus. 8: 330.
Type species: Unio gracilis Barnes, 1823 (orig. desig.) = Potamilus fragilis

Pareptera Frierson, 1914
‘Ortmann’ Frierson, 1914, Nautilus 28: 7.
(error for Paraptera Ortmann, 1911)

Symphanota Preston, 1916
Preston, 1916, Zool. Rec. 51: 66.
(error for Symphynota Lea, 1829)

Megaptera Modell, 1964
‘Rafinesque’ of Authors.
‘Rafinesque’ Modell, 1964, Arch. Moll. 93: 85.
‘Rafinesque’ Haas, 1969, Treatise on Invert. Paleo: N455.
(error for Metaptera Rafinesque, 1820)

Symphinodonta Korniushin, 1998
Korniushin, 1998, Malac. Review Bivalvia 7: 78.
(error for Symphynota Lea, 1829)

Potamilis Contreras-Arquieta, 2000
‘Rafinesque’ Contreras-Arquieta, 2000, Mexicoa 2(1): 44.
(error for Potamilus Rafinesque, 1818)

Taxonomic History (since 1900)

Lampsilis (Proptera) — Simpson (1900), Ortmann (1909), Simpson (1914)
Lampsilis (s.s.) — Simpson (1900), Simpson (1914), Frierson (1927)
— Simpson (1900), de Gregorio (1914), Simpson (1914), Vanatta (1915), Frierson (1927), Haas (1969), Burch (1975)
Anodonta — Simpson (1900), Simpson (1914), Thiele (1934)
Unio (s.s.) — Call (1900)
Proptera — Ortmann (1909), Ortmann (1909), Ortmann (1910), Ortmann (1912), ..., R.I. Johnson (1980), Davis & Fuller (1981), Contreras-Arquieta (2000), ITIS (2012)
Paraptera — Ortmann (1912), Ortmann (1918)
Unio — de Gregorio (1914), Henderson (1935)
Unio (Symphynota) — de Gregorio (1914)
Lastena — Utterback (1915), Modell (1945)
Lampsilis — Vanatta (1915)
Lasmonos — Utterback (1916), Utterback (1916)
Leptodea — Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), F.C. Baker (1928), ..., Gasparini et al. (2020), Inoue et al. (2020), Graf & Cummings (2021), Hauck et al. (2023)
Anodonta (Lastena) — Frierson (1927), Haas (1969)
Lampsilis (Leptodea) — Frierson (1927)
Medionidus — Haas (1969), Burch (1975), R.I. Johnson (1977), Turgeon et al. (1988), ..., IUCN (2000), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Potamilus — Morrison (1969), Oesch (1984), Turgeon et al. (1988), Cummings & Mayer (1992), ..., Hauck et al. (2023), Wu et al. (2023), Wu et al. (2024), Dai et al. (2024)
Anodonta (Utterbackia) — R.I. Johnson (1970)
Potamilis [sic] — Contreras-Arquieta (2000)