Genus Diancta E. v. Martens, 1864

Diancta E. v. Martens, 1864: Type species: Diplommatina constricta Martens, 1864 [Moluccas, Indonesia].

Diagnosis.

This species is placed in the genus Diancta because of the sinistral shell, constriction of the shell and closed umbilicus (Neubert and Bouchet 2015).