Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio elongatulus
‘Monterosato, in sched.’ Drouët, 1895. J. de Conch. 43: 29, sp. 104.
+ Unio elongatulus C. Pfeiffer, 1825 — Marrone et al., 2019: 354.
= Unio segregatus Monterosato, in sched. — Kobelt, 1896: 101, pl. 209, fig. 1314.