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Thu 18 Dec 2025

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

nominal species Unio pahangensis E.A. Smith, 1899

Unio pahangensis E.A. Smith, 1899 = Rectidens sumatrensis

E.A. Smith, 1899. Proc. Malac. Soc. London 3: 315, text fig.
Type(s): HOLOTYPE (MONOTYPY) BMNH_99-9-4-1, Pahang River, Malay Pennisula.

= Rectidens sumatrensis

Taxonomic Opinions

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

+ — Haas, 1969

= Rectidens pahangensis (Smith, E.A., 1899) — Simpson, 1914

+ Rectidens perakensis (Morgan, 1885) — Haas, 1914

= Rectidens pahangensis (Smith, E.A., 1899) — Simpson, 1900