Taxon - Links and literature
Vermeulen JJ, Liew TS, Schilthuizen M (2015): Additions to the knowledge of the land snails of Sabah (Malaysia, Borneo), including 48 new species, ZooKeys 531: 1-139 [as Acmella umbilicata Vermeulen, Liew & Schilthuizen, 2015]