El género Dikoleps (Gastropoda, Skeneidae) en las costas ibéricas

New data on the shell, radula and external morphology of the soft parts of the species of the genus Dikoleps Høisaeter, 1968 (Gastropoda, Skeneidae) from the Iberian coasts are described and compared, and one new species is described. Within the Iberian species of Dikoleps there are two different groups according to shell sculpture, penis morphology and radular pattern. A key of the species is given.