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nominal species Unio helenae Drouët, 1892

Unio helenae Drouët, 1892 = Unio ionicus

Drouët, 1892. J. de Conch. 40: 87.

Taxonomic Opinions

+ Unio ionicus Drouët, 1879 — Lopes-Lima et al., 2024: suppl. append. 2, p. 12.

+ Unio crassus jonicus [sic] Drouet, 1879 — Fauna Europaea, 2012: [web].

+ Unio (Crassunio) crassus ionicus Drouët, 1879 — Bank, 2006: 60.

+ Unio crassus jonicus [sic] Drouet, 1879 — Haas, 1969: 52.

+ Unio crassus jonicus [sic] Drouet, 1879 — Haas, 1940: 131.

= Unio helenae Drouët in sched. — Kobelt, 1893: 87, pl. 173, fig. 1114.