Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio delphinus nominal species Unio euchasmus Locard, 1899
Castro in Locard, 1899, Conchyliol. Portug.: 249.
= Unio delphinus Taxonomic Opinions
+ Unio delphinus Spengler, 1793 — Araujo et al., 2009
+ Unio pictorum mucidus Morelet, 1845 — Haas, 1969
+ Unio pictorum mucidus Morelet, 1845 — Haas, 1940
= Unio (groupe de l’U. hispanus) euchasmus Castro, Nova spec. in collect. Bourg. — Locard, 1899
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