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
Fri 13 February 2026
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon grandis
nominal species Anodon subinflata J.G. Anthony, 1865
Anodon subinflata J.G. Anthony, 1865 = Pyganodon grandis
J.G. Anthony, 1865. Amer. J. Conch. 1(2): 160, pl. 15, fig. 1 [as ‘sub-inflata’].
(homonym of Anodonta variabilis subinflata Moquin-Tandon, 1855)
Type(s): HOLOTYPE MCZ_161863, [Shears Lake, Kent Co.], Michigan.
Taxonomic Opinions
+ Pyganodon grandis grandis (Say, 1829) — Watters et al., 2009: 261.
+ Pyganodon grandis (Say, 1829) — Williams et al., 2008: 639.
+ Pyganodon grandis (Say, 1829) — Parmalee & Bogan, 1998: 207.
+ Anodonta grandis grandis Say, 1829 — Burch, 1975: 173.
+ Anodonta (Pyganodon) grandis lugubris Say, 1829 — Haas, 1969: 365.
+ Anodonta (Pyganodon) grandis-lugubris Say, 1829 — Frierson, 1927: 15.
+ Anodonta grandis var. footiana Lea, 1840 — Simpson, 1914: 423.
+ Anodonta grandis var. footiana Lea, 1840 — Simpson, 1900: 643.
= Anodonta subinflata Anth. — B.H. Wright, 1888: [7].
+ — Sowerby, 1870: index.
+ Margaron (Anodonta) marryattana [sic] (Lea) — Lea, 1870: 82.
