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Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Contradentini | 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.

= Lens eximius

Taxonomic Opinions

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

+ Physunio eximius (Lea, 1856) — He & Zhuang, 2013

+ Physunio eximius (Lea, 1856) — IUCN, 2012

+ Physunio eximius (Lea, 1856) — Brandt, 1974

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

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

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

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

= Unio semiquadratus Sowerby — Fischer, 1891

+ — Lea, 1870

= Unio semiquadrata Sowerby, 1866 — Sowerby, 1866