Rinvenimento di una Planaria ascrivibile aDugesia etrusca monoadenodactylaLepori (Turbellaria, Tricladida) nell'Isola di Molara (Sardegna)

The Molara planarian belonging to the groupgonocephalashould not be ascribed to theDugesia benazziiof Sardinia and Corsica, but toDugesia etrusca monoadenodactylafound in the province of Grosseto and described by Lepori in 1947.It was established that the Molara planarian belongs to the above-mentioned race by histological examination of the copulatory system as well as on the basis of its chromosome equipment which is of the 2n=16; n=8 type.