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

Lea, 1859. Proc. Acad. Nat. Sci. 11: 113.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 366 [48], pl. 63, fig. 191.
Type(s): HOLOTYPE (MONOTYPY) USNM_86680, Texas.
+ Pyganodon grandis (Say, 1829) — Cummings et al., 2025: 410, pl. 83 middle right.
+ Pyganodon grandis grandis (Say, 1829) — Watters et al., 2009: 260.
+ Pyganodon grandis (Say, 1829) — Williams et al., 2008: 638.
= Toxolasma texasense — Lee, 2006: 6.
+ Pyganodon grandis (Say, 1829) — Parmalee & Bogan, 1998: 207.
+ Anodonta grandis Say, 1829 — Howells et al., 1996: 36.
+ Anodonta grandis grandis Say, 1829 — R.I. Johnson, 1980: 92.
+ Anodonta (Pyganodon) grandis lugubris Say, 1829 — Haas, 1969: 365.
+ Anodonta (Pyganodon) grandis-lugubris Say, 1829 — Frierson, 1927: 15.
+ Anodonta danielsii Lea — Utterback, 1915: 267.
= Anodonta texasensis Lea, 1859 — Simpson, 1914: 427.
= Anodonta texasensis Lea, 1859 — Simpson, 1900: 645.
= Anodonta texasensis Lea — Singley, 1893: 316.
= Anodonta texasensis Lea — B.H. Wright, 1888: [7].
= Anodon texasensis (Lea, 1859) — Sowerby, 1870: pl. 36, sp. 146.
= Margaron (Anodonta) texasensis (Lea) — Lea, 1870: 81.