species Brachyanodon nuttalliana (Lea, 1838): synonymy

Anodonta nuttalliana Lea, 1838

Lea, 1836. Synopsis Fam. Naiades: addenda. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 77, fig. 20, fig. 62.
HOLOTYPE USNM_86391, Willamette R., Oregon.

Anodonta nuttalliana — Simpson (1900), Burch (1975), R.I. Johnson (1980), Turgeon et al. (1998), Gustafson & Iwamoto (2005), ... Galal-Khallaf et al. (2024), Perkins et al. (2025), FMCS (2025), Hou et al. (2025), Wu et al. (2026)
Anodonta cygnea impura — Hannibal (1912)
Anodonta (Group of A. cygnea) nuttalliana — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta (s.s.) oregonensis — Haas (1969)
Anodonta nuttaliana [sic] — Turgeon et al. (1988), Williams et al. (1993)
Brachyanodon nuttallianus — Campbell & Lydeard (2026)

Anodonta wahlamatensis Lea, 1838

Lea, 1836. Synopsis Fam. Naiades: addenda. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 78, pl. 20, fig. 64.
HOLOTYPE USNM_86363, Wahlamat. R., Oregon.

Anodonta wahlametensis [sic] — Simpson (1900), Henderson (1935), Davis & Fuller (1981), Mock et al. (2004)
Anodonta cygnea impura — Hannibal (1912)
Anodonta (Group of A. cygnea) wahlametensis [sic] — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927), Heard (1975)
Anodonta marginata wahlamatensis — Modell (1945)
Anodonta (s.s.) oregonensis — Haas (1969)
Anodonta nuttalliana — Burch (1975), R.I. Johnson (1980), Chong et al. (2008), IUCN (2016)
Anodonta wahlamatensis — Gustafson & Iwamoto (2005), Cyr et al. (2007), Preece et al. (2020), Galal-Khallaf et al. (2024)

Anodonta nuttaliana ‘Lea’ of Authors

(error for Anodonta nuttalliana Lea, 1838)
‘Lea’ of Authors.
Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 216.
Frierson, 1927. Check List N. Amer. Naiades: 14.
Turgeon et al., 1988. Am. Fisher. Soc. Spec. Publ. (16): 28.
Williams et al., 1993. Fisheries 18(9): 10.

Anodonta rotundovata Trask, 1854

Trask, 1854. Proc. Calif. Acad. Sci. 1: 29.

Anodonta wahlametensis [sic] — Simpson (1900)
Anodonta cygnea impura — Hannibal (1912)
Anodonta (Group of A. cygnea) wahlametensis [sic] — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta (s.s.) oregonensis — Haas (1969)
Anodonta nuttalliana — Burch (1975), IUCN (2016)

Anodonta triangularis Trask, 1854

Trask, 1854. Proc. Calif. Acad. Sci. 1: 29.

Anodonta nuttalliana — Simpson (1900), Burch (1975), IUCN (2016)
Anodonta cygnea impura — Hannibal (1912)
Anodonta (Group of A. cygnea) nuttalliana — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta (s.s.) oregonensis — Haas (1969)

Anodonta laosensis Fischer, 1891

(new name for Anodon rostratus G.B. Sowerby II, 1867)
‘Rokiel’ G.B. Sowerby II, 1867. Conch. Icon. 17: pl. 2, sp. 4 [as ‘Anodon rostratus’].
Fischer, 1891. Bull. Soc. Hist. Nat. Autun 4: 219.

Anodonta wahlametensis [sic] — Simpson (1900)
Anodonta (Group of A. cygnea) wahlametensis [sic] — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta (s.s.) oregonensis — Haas (1969)
Anodonta nuttalliana — Burch (1975), IUCN (2016)

Anodonta nuttalliana var. idahoensis Hemphill, 1891

(intro'd as intra-sp. of Anodonta nuttalliana Lea, 1838)
Hemphill, 1891. Zoe 1(11): 328, pl. 10, figs. 3-4.
TYPE USNM_105602, Spokane R., above Post Falls, Idaho.

Anodonta cygnea impura — Hannibal (1912)
Anodonta (Group of A. cygnea) nuttalliana var. idahoensis — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta (s.s.) oregonensis — Haas (1969)
Anodonta nuttalliana — Burch (1975)

Anodonta wahlametensis ‘Lea’ of Authors

(error for Anodonta wahlamatensis Lea, 1838)
‘Lea’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 629.
Arnold, 1908. Proc. U.S. Nat. Mus. 34: 355.
Simpson, 1914. Descr. Cat. Naiades: 379.
Henderson, 1935. GSA, Spec. Pap. 3: 66.
Davis & Fuller, 1981. Malacologia 20: 219.
Mock et al., 2004. Molec. Ecol. 13: 1090.

Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta wahlametensis [sic] — Henderson (1935)

Anodonta triangulata Lea, 1856

(error for Anodonta triangularis Trask, 1854)
‘Trask’ Lea, 1856. Proc. Acad. Nat. Sci. 8: 81.

Anodon rostratus G.B. Sowerby II, 1867

(misidentified reference to Anodonta rostrata Rossmässler, 1836; renamed Anodonta laosensis Fischer, 1891)
‘Rokiel’ G.B. Sowerby II, 1867. Conch. Icon. 17: pl. 2, sp. 4.
NOMEN NUDUM BMNH_1965214, Lao.

Anodonta wahlametensis [sic] — Simpson (1900)
Anodonta (Group of A. cygnea) wahlametensis [sic] — Simpson (1914)
Anodonta (s.s.) wahlamatensis — Frierson (1927)
Anodonta (s.s.) oregonensis — Haas (1969)
Anodonta nuttalliana — Burch (1975), IUCN (2016)

Anodonta rotundata Simpson, 1900

(error for Anodonta rotundovata Trask, 1854)
‘Trask’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 629.