Systematics and distribution of Helicopsis (Xeroleuca) in Morocco (Mollusca, Gastropoda: Helicidae)

There are a considerable number of species described from Morocco which have been assigned to the genus Xeroleuca. This survey reviews the status of these and concludes that Xeroleuca should be regarded as a subgenus of Helicopsis. There are two species present in Morocco; one species Helicopsis (Xeroleuca) turcica is very variable in shell form. The geographical range of Helicopsis (X.) turcica is described and the numerous species names synonymised. Other species originally placed in the genus Xeroleuca are found to belong to other genera.