Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio mancus nominal species Unio biformis Monterosato, 1896
Monterosato, 1896, Naturalista Siciliano 15: 13, text fig.
= Unio mancus Taxonomic Opinions
+ Unio elongatulus gargottae Philippi, 1836 — Haas, 1969
+ Unio elongatulus gargottae Philippi, 1836 — Haas, 1940
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