Work found, with species-group names introduced therein:
Ninomiya, T. 1987. Three new species of the genus Amalda from Japan, Caribbean Sea and southwestern Australia (Gastropoda: Olividae). Venus 46 137-146. [Stated date: -- Oct 1987.] Amalda (Alcospira) zeigleri, see Amalda pacei (Petuch, 1987)