Yanes, Y., Santana, J., Artiles, M., Deniz, F., Martín, J., Alonso, M. R. and Ibáñez, M. (2011) “Five new Napaeus species (Gastropoda: Pulmonata: Enidae) from Gran Canaria and El Hierro (Canary Islands)”, Zootaxa. Auckland, New Zealand, 2901(1), pp. 35–51. doi: 10.11646/zootaxa.2901.1.3.