MUSSELp

MUSSELpdb

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Unionidae

Margaritiferidae

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Species Richness & Endemism by
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Data last updated
Mon 1 Dec 2025

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

nominal species Unio ryckholtii Malzine, 1867

Unio ryckholtii Malzine, 1867 = Unio crassus

Malzine, 1867. Essai faun. malac. Belg.: 32, pl. 2, figs. 1-2.

= Unio crassus

Taxonomic Opinions

+ Unio batavus Maton et Rackett — Germain, 1931

= Unio (Batavusiana) ryckholtii Malzine, 1867 — Germain, 1904

= Unio (Groupe de l’U. batavus) ryckholti Malzine — Locard, 1893

= Unio batavus var. ryckholtii Malzine, 1867 — Westerlund, 1890

= Unio (Ellipsopsisiana) ryckholtii Malzine — Locard, 1889

= Unio (Groupe de l’U. Batavus) ryckholti Malzine — Locard, 1882

+ Lea, 1870

= Unio ryckholtii De Malz. — Colbeau, 1868

= Unio ryckholtii Nobis — Malzine, 1867

 
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