Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio nanus
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 nanus Lamarck, 1819 — Lopes-Lima et al., 2024: suppl. append. 2, p. 19.
+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016: 25.
+ Unio crassus crassus Retzius, 1788 — Haas, 1969: 45.
+ Unio crassus crassus Retzius, 1788 — Haas, 1940: 129.
= Unio kochi Kobelt, 1886 — Westerlund, 1890: 63.
= Unio kochi Kobelt, 1886 — Kobelt, 1886: 46, pl. 56, figs. 295-296.