Unionoida | Unionoidea | Unionidae | Gonideinae | Contradentini | Lens eximius nominal species Unio semiquadrata Sowerby, 1866
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
- NO OPINION — Lea, 1870
= Unio semiquadrata Sowerby, 1866 — Sowerby, 1866
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