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

nominal species Unio ascia Hanley, 1856

Unio ascia Hanley, 1856 = 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.

Taxonomic Opinions

+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021: 413.

+ Contradens contradens (Lea, 1838) — Jeratthitikul et al., 2019: 135, figs. 1.2, 4.

= Uniandra contradens ascia (Hanley, 1856) — Brandt, 1974: 289, pl. 24, fig. 49.

= Contradens ascia (Hanley, 1856) — Haas, 1969: 99.

= Contradens ascia (Hanley) — Haas, 1952: 23.

= Ensidens (Uniandra) ascia (Hanley, 1856) — Prashad, 1932: 174.

= Contradens ascia ascia (Hanley, 1856) — Haas, 1924: 197, pl. 15-16, fig. 12.

+ — Simpson, 1914: 1192.

= Unio ascia Hanley, 1856 — Preston, 1912: 287.

+ — Simpson, 1900: 861.

= Unio ascia Benson, MS — Hanley, 1856: 385, pl. 23, fig. 20.