Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio kochi Kobelt, 1886
Sandberger & Koch, 1851, Jb. Nassau. Ver. Naturk. 7: 245 [as ‘U. moquinianus’].
Kobelt, 1886, Jb. Nassau. Ver. Naturk. 39: 97, pl. 6, fig. 1.
Kobelt, 1886, Icon. Land- und Süssw.-Moll. 2: 46, pl. 56, figs. 295-296.
= Unio crassus Taxonomic Opinions
+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016
+ Unio crassus crassus Retzius, 1788 — Haas, 1969
+ Unio crassus crassus Retzius, 1788 — Haas, 1940
= Unio kochi Kobelt, 1886 — Westerlund, 1890
= Unio kochi Kobelt, 1886 — Kobelt, 1886
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