Neiber, Marco T., Ricardo Vega-Luz, Rodolfo Vega-Luz, and Stefan Koenemann. 2011. “Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a New Species from Tenerife, Canary Islands, With a Phylogenetic Analysis of Conchologically Similar Species in the Genus Hemicycla Swainson, 1840”. Zootaxa 2757 (1). Auckland, New Zealand:29–46. https://doi.org/10.11646/zootaxa.2757.1.3.