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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionidae
| Unioninae
| Anodontini
| Alasmidontina
| Pyganodon grandis
nominal species Anodonta simpsoniana Lea, 1861
Lea, 1861. Proc. Acad. Nat. Sci. 13: 56.
 Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 212 [34], pl. 32, fig. 281.
Type(s): HOLOTYPE USNM_86434, Fort Rae, Gt. Slave Lake.
= Pyganodon grandis Taxonomic Opinions= Anodonta grandis simpsoniana Lea — ITIS, 2012 = Pyganodon simpsoniana (Lea, 1861) — Doucet-Beaupré et al., 2012 + Pyganodon grandis Say, 1829 — IUCN, 2012 + Pyganodon grandis grandis (Say, 1829) — Watters et al., 2009 + Pyganodon grandis (Say, 1829) — Williams et al., 2008 = Pyganodon simpsonaia [sic] (Lea, 1861) — Cyr et al., 2007 + Pyganodon grandis (Say, 1829) — Parmalee & Bogan, 1998 + Pyganodon grandis (Say) — Strayer & Jirka, 1997 + — Hoeh & Burch, 1989 = Anodonta grandis simpsoniana Lea, 1861 — R.I. Johnson, 1980 = Anodonta grandis simpsoniana Lea — Mackie et al., 1980 = Anodonta grandis simpsoniana Lea, 1861 — Burch, 1975 = Anodonta grandis simpsoniana Lea, 1861 — Clarke, 1973 + Anodontoides ferussacianus ferussacianus (Lea, 1834) — Haas, 1969 + Anodonta kennicottii Lea, 1861 — F.C. Baker, 1928 + Anodonta (Anodontoides) ferussaciana Lea, 1834 — Frierson, 1927 + Anodonta kennicottii Lea, 1861 — Simpson, 1914 + Anodonta kennicottii Lea, 1861 — Simpson, 1900 = Anodonta simpsoniana Lea — B.H. Wright, 1888 = Anodon simpsonianus (Lea, 1861) — Sowerby, 1870 = Margaron (Anodonta) simpsoniana (Lea) — Lea, 1870
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