Holyoak, G. A., Holyoak, D. T., Yanes, Y., Alonso, M. R. & Ibáñez, M. (2011). Two new Napaeus species from La Gomera and La Palma (Canary islands) (Gastropoda: Pulmonata: Enidae). Archiv für Molluskenkunde. 140 (1): 37-48. Frankfurt am Main.
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Holyoak, G. A., Holyoak, D. T., Yanes, Y., Alonso, M. R. & Ibáñez, M.
2011
Two new Napaeus species from La Gomera and La Palma (Canary islands) (Gastropoda: Pulmonata: Enidae)