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nominal species Unio tumidus var. corrosus Zelebor, 1851

Unio tumidus var. corrosus Zelebor, 1851 = Unio tumidus

(homonym of Unio corrosus Villa, 1841; intro'd as intra-sp. of Unio tumidus Philipsson in Retzius, 1788)
Zelebor, 1851. Ber. Mit. Freunde Naturw. Wien 7: 230, sp. 7.
SYNTYPES SMF 10812, March bei Thebensee und Neudorf, Slovakia.

Taxonomic Opinions

+ Unio tumidus Philipsson, 1788 — Nagel, 2025: 101.

syntypes SMF 10812/5, 1v — Slovakia, “March bei Thebensee und Neudorf” [Borinka, Devinske Jazero, 48°17’N 016°57’E; Devinska Nová Ves, 48°13’N 016°58’E] (coll. E.A. Rossmässler xii.1850 ex Zelebor)

+ Unio (s.s.) tumidus Retzius, 1788 — Vinarski & Kantor, 2016: 23.

+ Unio tumidus tumidus Retzius — Haas, 1969: 20.

= Unio tumidus var. corrosus Zelebor, 1851 — Zelebor, 1851: 230, sp. 7.