Bivalvia | ... | Unionidae | Gonideinae | Rectidentini | Rectidentina | Rectidens sumatrensis

nominal species Unio perakensis Preston, 1912

Unio perakensis Preston, 1912 = Rectidens sumatrensis

specimen image from publicationPreston, 1912. Rec. Ind. Mus. 7: 287, pl. 8, figs. 5-6.
(renamed Rectidens prestoni Simpson, 1914; homonym of Unio perakensis Morgan, 1885)

Taxonomic Opinions

+ Rectidens sumatrensis (Dunker, 1852) — Pfeiffer et al., 2021: 438.

+ Rectidens prestoni Simpson, 1914 — Simpson, 1914: 1159.

+ Rectidens perakensis (Morgan, 1885) — Haas, 1914: 234.

= Unio perakensis sp. n. — Preston, 1912: 287, pl. 8, figs. 5-6.