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nominal species Unio tumidus var. borysthenensis Kobelt, 1879

Unio tumidus var. borysthenensis Kobelt, 1879 = Unio tumidus

(renamed Unio tumidus var. borysthenicus Servain, 1888; intro'd as intra-sp. of Unio tumidus Philipsson in Retzius, 1788)
Kobelt, 1879. Icon. Land- und Süssw.-Moll. 7: 32, pl. 192, fig. 1950.
LECTOTYPE SMF 10820 (by Zilch, 1967: 83), Dnieper River, Dnipro, Ukraine.

Taxonomic Opinions

+ Unio tumidus Philipsson, 1788 — Nagel, 2025: 96, fig. 21.

lectotype SMF 10820/1 (by Zilch, 1967: 83) — Ukraine, “Dnjepr bei Jekaterinoslav” [Dnipro/Dneiper, 48°30’N 034°59’E] (coll. W. Kobelt ex M. Paulucci)

+ Unio tumidus Retzius, 1788 — Araujo et al., 2018: [21].

= Unio tumidus borysthensis [sic] Kobelt, 1879 — Lopes-Lima et al., 2017: 579.

+ Unio (s.s.) conus Spengler, 1793 — Vinarski & Kantor, 2016: 24.

= Unio tumidus borysthenensis Kobelt, 1879 — Fauna Europaea, 2012: [web].

= Tumidiana conus borysthenensis (Kobelt, 1880) — Kantor et al., 2010: 263.

= Tumidiana conus borysthenensis (Kobelt, 1880) — Kantor & Sysoev, 2005: 328.

= Unio tumidus borysthenensis Kobelt — Haas, 1969: 21.

= Unio tumidus borysthenensis Kobelt, 1879 — Haas, 1940: 129.

- OMITTED — Simpson, 1914.

= Unio (s.s.) tumidus var. borysthenensis Kobelt, 1879 — Paetel, 1890: 146, 170.

+ Unio tumidus var. borysthenicus Kobelt, 1879 — Westerlund, 1890: 98.

+ Unio (Tumidiana) borysthenicus Kobelt, 1880 — Servain, 1888: 323.

= Unio tumidus var. borysthenensis — Kobelt, 1879: 32, pl. 192, fig. 1950.