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nominal species Unio ocresanus Castro in Locard, 1899

Unio ocresanus Castro in Locard, 1899 = Unio delphinus

Castro in Locard, 1899. Conchyliol. Portug.: 236.

Taxonomic Opinions

+ Unio delphinus Spengler, 1793 — Araujo et al., 2009: 45.

+ Unio pictorum mucidus Morelet, 1845 — Haas, 1969: 28.

+ Unio pictorum mucidus Morelet, 1845 — Haas, 1940: 123.

= Unio (groupe de l’U. joannisi) ocresanus Castro, Nova sp., in collect. Bourg. — Locard, 1899: 236.