Bivalvia | ... | Unionidae | Gonideinae | Rectidentini | Contradentina | Lens eximius

nominal species Unio semiquadrata Sowerby, 1866

Unio semiquadrata Sowerby, 1866 = Lens eximius

Sowerby, 1866. Conch. Icon. 16: pl. 48, sp. 258.
Type(s): SYNTYPES BMNH_1968658, Lao Mountains, Camboja.

Taxonomic Opinions

+ Lens eximius (Lea, 1856) — Pfeiffer et al., 2021: 409.

+ Physunio eximius (Lea, 1856) — He & Zhuang, 2013: 86, fig. 206.

+ Physunio eximius (Lea, 1856) — IUCN, 2012: [web].

+ Physunio eximius (Lea, 1856) — Brandt, 1974: 295.

+ Physunio (s.s.) eximius (Lea, 1856) — Haas, 1969: 89.

+ Physunio (s.s.) eximius (Lea, 1856) — Haas, 1919: 285.

+ Physunio (Lens) eximius (Lea, 1856) — Simpson, 1914: 1068.

+ Physunio (sec. Lens) eximius (Lea, 1856) — Simpson, 1900: 831.

= Unio semiquadratus Sowerby — Fischer, 1891: 223.

+ — Lea, 1870: 64.

= Unio semiquadrata Sowerby, 1866 — Sowerby, 1866: pl. 48, sp. 258.