Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio retzii C.B. Adams, 1847
‘Küst.’ C.B. Adams, 1847, Cat. Gen. Sp. Adams: 14. [nomen nudum]
= Unio crassus Taxonomic Opinions
+ Margaron (Unio) batavus (Mat. & Ract.) — Lea, 1870
+ Margaron (Unio) batavus (Lam.) — Lea, 1852
= Unio retzii Küst. — C.B. Adams, 1847
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