Y. Yanes, G. A. Holyoak, D. T. Holyoak, M. R. Alonso, and M. Ibáñez, “A new Discidae subgenus and two new species (Gastropoda: Pulmonata) from the Canary Islands”, Zootaxa, vol. 2911, no. 1, pp. 43–49, Jun. 2011.