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

Lea, 1866. Proc. Acad. Nat. Sci. 18: 133.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 280, pl. 38, fig. 94.
Type(s): HOLOTYPE USNM_84078, Siam.
+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021: 413.
+ Uniandra contradens tumidula (Lea, 1856) — Brandt, 1974: 290, pl. 24, fig. 52.
= Ensidens (Uniandra) asperulus (Lea, 1866) — Haas, 1969: 74.
= Ensidens (Uniandra) asperulus (Lea) — Haas, 1952: 22.
= Ensidens (Uniandra) asperulus (Lea) — Prashad, 1932: 175.
= Nodularia (s.s.) asperula (Lea, 1866) — Simpson, 1914: 989.
= Ensidens (sec. Uniandra) asperulus (Lea, 1866) — Haas, 1913: 143, pl. 14, fig. 5.
= Nodularia (s.s.) asperula (Lea, 1866) — Simpson, 1900: 814.
= Unio asperulus Lea — Fischer, 1891: 224.
= Margaron (Unio) asperulus (Lea) — Lea, 1870: 31.