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

‘Benson, MS’ Hanley, 1856. Illustr. Descr. Cat. Rec. Bivalve Shells: 385, pl. 23, fig. 20.
Type(s): LECTOTYPE MCZ_17046 (by R.I. Johnson, 1956: 106), Penang, India.
+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021
+ Contradens contradens (Lea, 1838) — Jeratthitikul et al., 2019
= Uniandra contradens ascia (Hanley, 1856) — Brandt, 1974
= Contradens ascia (Hanley, 1856) — Haas, 1969
= Contradens ascia (Hanley) — Haas, 1952
= Ensidens (Uniandra) ascia (Hanley, 1856) — Prashad, 1932
= Contradens ascia ascia (Hanley, 1856) — Haas, 1924
+ — Simpson, 1914
= Unio ascia Hanley, 1856 — Preston, 1912
+ — Simpson, 1900
= Unio ascia Benson, MS — Hanley, 1856