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nominal species Unio byzantinus ‘Parreyss, in sched.’ Drouët, 1879

Unio byzantinus ‘Parreyss, in sched.’ Drouët, 1879 = Unio vicarius

‘Parr.’ Lea, 1870. Synopsis Fam. Naiades: 48. [nomen nudum]
‘Parreyss, in sched.’ Drouët, 1879. J. de Conch. 27: 141.

Taxonomic Opinions

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

= Unio (Eolymnium) byzantinus Drouët, 1879 — Vinarski & Kantor, 2016: 27.

= Eolymnium byzantinum (Drouët, 1879) — Kantor et al., 2010: 261.

+ Unio crassus gontieri Bourguignat, 1856 — Graf, 2007: 84.

+ — Bank, 2006: 77.

= Eolymnium (Shadininaia) byzantinus (Drouet, 1881) — Korniushin, 1998: 77.

= Eolymnium (Shadininaia) byzantinum (Drouet, 1880) — Zatravkin, 1987: 49.

= Eolymnium (Shadininaia) byzantinum (Drouet, 1881) — Zatravkin, 1983: 40.

= Unio byzantinus (Parr.) Drouet, 1879 — Westerlund, 1890: 95.

= Unio byzantinus Parreyss, in sched. — Drouët, 1879: 141, sp. 8.

= Unio byzantinus Parreyss — Kobelt, 1879: 34, pl. 193, figs. 1954-1955.

+ Margaron (Unio) batavus (Mat. & Ract.) — Lea, 1870: 48.