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nominal species Quadrula andrewsii Marsh, 1902

Quadrula andrewsii Marsh, 1902 = Fusconaia subrotunda

Marsh, 1902. Nautilus 15(10): 115.
Marsh, 1902. Nautilus 16: 8, pl. 1, two upper figs. [as andrewsæ].

Taxonomic Opinions

+ Fusconaia subrotunda (Lea, 1831) — Williams et al., 2008: 325.

+ Fusconaia subrotunda (Lea, 1831) — Parmalee & Bogan, 1998: 120.

+ Fusconaia subrotunda (Lea, 1831) — Burch, 1975: 176.

+ Fusconaia pilaris (Lea, 1840) — Haas, 1969: 316.

+ Quadrula (Fusconia [sic]) pilaris (Lea, 1840) — Frierson, 1927: 57.

+ Fusconaia pilaris (Lea, 1840) — Ortmann, 1918: 527.

= Quadrula (sec. Fusconaia) andrewsii Marsh, 1902 — Simpson, 1914: 895.