MUSSELp

MUSSELpdb

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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
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Summary

North America

Central America

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Species Richness & Endemism by
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Data last updated
Thu 1 January 2026

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Unio ionicus

nominal species Unio helenae Drouët, 1892

Unio helenae Drouët, 1892 = Unio ionicus

Drouët, 1892. J. de Conch. 40: 87.

= Unio ionicus

Taxonomic Opinions

+ Unio ionicus Drouët, 1879 — Lopes-Lima et al., 2024

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

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

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

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

= Unio helenae Drouët in sched. — Kobelt, 1893

 
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