Pulmonados desnudos (Gastropoda, Pulmonata) de la provincia de Castellón (E España)

Slugs collected in 105 localities of Castellón province (Spain) are studied and the bibliography about these animals in the area is revised. 14 species belonging to 5 families are characterized and their genitalia and geographic distribution with UTM (10 x 10 km) grid are shown. Eight of these species are new records in the province and one of them in the Valencian Community.