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

nominal species Unio ascia Hanley, 1856

image of type lot

Unio ascia Hanley, 1856 = Lens contradens

specimen image from publication‘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

Taxonomic Opinions

+ 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