MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Mon 2 March 2026
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon grandis
nominal species Anodonta leonensis Lea, 1862
Anodonta leonensis Lea, 1862 = Pyganodon grandis
Lea, 1862. Proc. Acad. Nat. Sci. 14: 169.
Lea, 1866. Jour. Acad. Nat. Sci. 6 [O. 11]: 25 [29], pl. 9, fig. 24.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_87806 (by R.I. Johnson, 1974: 83), Leon, Texas.
Taxonomic Opinions
+ Pyganodon grandis (Say, 1829) — Cummings et al., 2025: 410, pl. 83 middle left.
+ Pyganodon grandis grandis (Say, 1829) — Watters et al., 2009: 260.
+ Pyganodon grandis (Say, 1829) — Williams et al., 2008: 638.
+ 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 grandis grandis Say, 1829 — Burch, 1975: 166.
+ Anodonta (Pyganodon) grandis lugubris Say, 1829 — Haas, 1969: 365.
+ Anodonta (Pyganodon) grandis-lugubris Say, 1829 — Frierson, 1927: 15.
= Anodonta grandis var. leonensis Lea, 1862 — Simpson, 1914: 423.
= Anodonta grandis var. leonensis Lea, 1862 — Simpson, 1900: 643.
= Anodonta leonensis Lea — Singley, 1893: 316.
= Anodonta leonensis Lea — B.H. Wright, 1888: [7].
= Anodonta leonensis Lea — Lea, 1874: 67.
+ — Sowerby, 1870: index.
= Margaron (Anodonta) leonensis (Lea) — Lea, 1870: 78.
= Anodonta leonensis Lea, 1862 — Lea, 1866: 29, pl. 9, fig. 24.
