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Unio orbignyi Deville & Hupé, 1850

Deville & Hupé, 1850. Rev. Mag. Zool. 2: 643, pl. 16, fig. 1.
(renamed Unio orbignyana Hupé, 1857)
Type(s): FIGURED SYNTYPE MNHN_MP_0283, du Haut [Upper] Amazone.

Castalina orbignyi — Simpson (1900), Simpson (1914), Haas (1931), Haas (1969)
Castalia sulcata orbignyi — Bonetto (1965), Ramírez et al. (2003)
Castaliella sulcata — Simone (2006)
Castalia orbignyi — Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)

Unio orbignyana Hupé, 1857

Hupé, 1857. [in] Castelnau, Anim. Nouv. Rares d’Amer. Sud: 83, pl. 17, fig. 1.
(new name for Unio orbignyi Deville & Hupé, 1850)

Castalina orbignyi — Simpson (1900), Simpson (1914), Haas (1969)
Castaliella sulcata — Simone (2006)

Unio dorbignianus Sowerby, 1868

‘Hupé & Deville’ Sowerby, 1868. Conch. Icon. 16: pl. 96, sp. 523 [as ‘d’orbignianus’].
(error for Unio orbignyi Deville & Hupé, 1850)

Castalina orbignyi — Simpson (1900), Simpson (1914)

Unio dorbignyanus Simpson, 1900

‘Sowerby’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 866 [as ‘d’orbignyanus’].
‘Sowerby’ Simpson, 1914. Descr. Cat. Naiades: 1208 [as ‘d’orbignyanus’].
(error for Unio dorbignianus Sowerby, 1868)