Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio mancus

Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 62 [174], pl. 9, fig. 22.
Type(s): HOLOTYPE USNM_86159, [no locality available - Europe].
+ Unio elongatulus durieui DeShayes, 1847 — Haas, 1969: 43.
+ Unio elongatulus durieui DeShayes, 1847 — Haas, 1940: 128.
= Unio (sec. Lymnium) emarginatus Lea, 1834 — Simpson, 1914: 566.
= Unio emarginatus Lea — de Gregorio, 1914: 48.
= Unio (sec. Lymnium) emarginatus Lea, 1834 — Simpson, 1900: 695.
+ Unio (Nephronaias) aztecorum Philippi, 1847 — Martens, 1900: 502.
= Margaron (Unio) emarginatus (Lea) — Lea, 1870: 62.
= Unio emarginatus Lea, 1834 — Sowerby, 1868: pl. 67, sp. 342.
= Unio (Bariosta) emarginatus Lea — Adams & Adams, 1857: 491.
= Margaron (Unio) emarginatus (Lea) — Lea, 1852: 39.
= Unio emarginatus Lea — Hanley, 1843: 210, pl. 21, fig. 58.
= Margarita (Unio) emarginatus Lea — Lea, 1838: 26.