Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon grandis

Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 104, pl. 16, fig. 48.
(renamed Margaron (Anodonta) benedictii Lea, 1870)
Type(s): HOLOTYPE USNM_86381, Lake Champlain, Vermont.
+ Pyganodon grandis grandis (Say, 1829) — Watters et al., 2009: 258.
+ Pyganodon grandis (Say, 1829) — Williams et al., 2008: 638.
+ Pyganodon grandis (Say, 1829) — Parmalee & Bogan, 1998: 206.
+ Pyganodon grandis (Say) — Strayer & Jirka, 1997: 98.
= Anodonta (Pyganodon) grandis benedictensis (Lea, 1834) — Haas, 1969: 365.
= Anodonta (Pyganodon) grandis-benedictensis (Lea, 1834) — Frierson, 1927: 15, sp. 10c.
= Anodonta grandis var. benedictensis (Lea, 1834) — Simpson, 1914: 423.
= Anodonta grandis var. benedictensis Lea — Ortmann, 1909: 195.
= Anodonta grandis var. benedictensis (Lea, 1834) — Simpson, 1900: 644.
= Anodon benedictensis (Lea, 1834) — Sowerby, 1870: pl. 26, sp. 99.
+ Margaron (Anodonta) benedictii (Lea) — Lea, 1870: 75.
= Anodonta (Symphynota) benedictensis (Lea) — Adams & Adams, 1857: 503.
= Anodonta benedictensis Lea — Conrad, 1853: 263.
= Margaron (Anodonta) benedictensis (Lea) — Lea, 1852: 47.
= Anodonta benedictensis (Lea) — Stimpson, 1851: 15.
= Anodonta benedictensis Lea — Hanley, 1843: 216.
= Margarita (Anodonta) benedictensis Lea — Lea, 1838: 29.
= Margarita (Anodonta) benedictensis (Lea, 1834) — Lea, 1836: 48.
= Anodonta benedictensis Lea — Ferussac, 1835: 25, 30.