Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia subrotunda nominal species Quadrula flexuosa Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 83, pl. 2, fig. 8.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 790.
Simpson, 1914, Descr. Cat. Naiades: 887.
= Fusconaia subrotunda Taxonomic Opinions
+ Fusconaia subrotunda (Lea, 1831) — Williams et al., 2008
+ Fusconaia subrotunda (Lea, 1831) — Parmalee & Bogan, 1998
+ Fusconaia subrotunda (Lea, 1831) — Burch, 1975
+ Fusconaia pilaris (Lea, 1840) — Haas, 1969
+ Quadrula (Fusconia [sic]) pilaris (Lea, 1840) — Frierson, 1927
+ Fusconaia pilaris lesueuriana (Lea, 1840) — Ortmann, 1918
= Quadrula (sec. Fusconaia) flexuosa Simpson, 1900 — Simpson, 1914
= Quadrula (sec. Fusconaia) flexuosa Simpson, 1900 — Simpson, 1900
= Quadrula flexuosa Simpson — Simpson, 1900
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