Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio elongatulus
Adami, 1882. Boll. Soc. Malac. Ital. 8: 134, pl. 0, figs. 9-10.
+ Unio elongatulus C. Pfeiffer, 1825 — Marrone et al., 2019: 354.
+ Unio elongatulus glaucinus Porro, 1838 — Haas, 1969: 41.
+ Unio elongatulus glaucinus Porro, 1838 — Haas, 1940: 127.
+ — Simpson, 1914.
= Unio opisodartos Adami, 1882 — Westerlund, 1890: 71.
= Unio opisodartos Adami, 1882 — Bourguignat, 1883: 13.