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

nominal species Unio mutatus form obscurus Mousson, 1849

Unio mutatus form obscurus Mousson, 1849 = Lens contradens

specimen image from publicationMousson, 1849. Land-Süßw.-Moll. Java: 92, pl. 16, fig. 1. [infra-subsp.]
(homonym of Unio obscurus Lea, 1838; intro'd as intra-sp. of Unio mutatus Mousson, 1849)

Taxonomic Opinions

+ Contradens contradens (Lea, 1838) — van Benthem Jutting, 1953: 34.

+ Unio mutatus Mouss. — Mousson, 1849: 92, pl. 16, fig. 1.