Bivalvia | ... | Unionoidea | Unionidae | Parreysiinae | Lamellidentini | Trapezidens exolescens

nominal species Unio fragilis Nevill, 1877

Unio fragilis Nevill, 1877 = Trapezidens exolescens

Nevill, 1877. J. Asiat. Soc. Bengal 46: 39.
(homonym of Unio (Leptodea) fragilis Rafinesque, 1820)

Taxonomic Opinions

+ Trapezoideus exolescens (Gould, 1843) — He & Zhuang, 2013: 121.

+ Trapezoideus exolescens pallegoixi (Sowerby, 1867) — Brandt, 1974: 300.

+ Trapezoideus misellus (Morelet, 1865) — Haas, 1969: 76.

+ Trapezoideus exolescens (Gould, 1843) — Prashad, 1922: 109.

+ Trapezoideus misellus (Morelet, 1865) — Haas, 1919: 267.

+ Trapezoideus foliaceus var. comptus (DeShayes & Jullien, 1874) — Preston, 1915: 194.

+ Trapezoideus foliaceus var. comptus (DeShayes & Jullien, 1874) — Simpson, 1914: 1182.

+ Trapezoideus foliaceus var. comptus (DeShayes & Jullien, 1874) — Simpson, 1900: 858.

+ Unio foliaceus Gould — Tapparone Canefri, 1889: 345.

= Unio fragilis n. sp. — Nevill, 1877: 39.