nominal species Margaron (Anodonta) subglobosa Lea, 1870
‘Anth.’ Lea, 1870, Synopsis Fam. Naiades: 81.
(error for Anodon subgibbosa J.G. Anthony, 1866)
= Pyganodon grandis Taxonomic Opinions
+ Pyganodon grandis grandis (Say, 1829) — (Watters et al., 2009)
+ Pyganodon grandis (Say, 1829) — (Parmalee & Bogan, 1998)
+ Anodonta subgibbosa (Anthony, J.G., 1866) — (Simpson, 1914)
+ Anodonta grandis var. gigantea Lea, 1834 [sic] — (Simpson, 1900)
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