Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon fragilis nominal species Anodonta brooksiana van der Schalie, 1938
van der Schalie, 1938, Ann. Carnegie Mus. 27(12): 167-170, pl. 16.
Type(s): TYPE CM_187, Spout Pond, Arm, Ferryland District, Southern Shore, Newfoundland.
= Pyganodon fragilis Taxonomic Opinions
+ Pyganodon fragilis (Lamarck, 1819) — Stanton et al., 2012
+ Anodonta cataracta fragilis (Lamarck, 1819) — R.I. Johnson, 1980
= Anodonta (Pyganodon) brooksiana van der Schalie, 1938 — Haas, 1969
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