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nominal species Unio thiesseae Drouët, 1892

Unio thiesseae Drouët, 1892 = Unio vicarius

Drouët, 1892. J. de Conch. 40: 88.
SYNTYPE SMF 4472, Spercheios River, Stavros, Greece.

Taxonomic Opinions

+ Unio vicarius Westerlund, 1880 — Nagel, 2025: 154.

syntype SMF 4472/1 — Greece, “le Sperchius, au village de Mpéki; Phthiolide” [river Spercheios near Stavros, 38°54’N 022°22’E] (coll. W. Kobelt ex H. Drouët)

+ Unio vicarius Westerlund in Westerlund & Blanc, 1879 — Lopes-Lima et al., 2024: suppl. append. 2, p. 23.

+ Unio bruguierianus Bourguignat, 1853 — Lopes-Lima et al., 2021: Supplementary Appendix 1, p. 5.

+ Unio (Crassunio) crassus bruguierianus Bourguignat, 1853 — Bank, 2006: 60.

+ Unio crassus bruguierianus Bourguignat — Haas, 1969: 54.

+ Unio crassus bruguierianus Bourguignat, 1853 — Haas, 1940: 132.

= Unio thiesseae Drouët, 1892 — Kobelt, 1896: 41, pl. 190, fig. 1207.