[Turbellaria in the gulf of Tunis. I. Morphology]

This is a preliminary work for a regeneration study which experimental results will be published posteriorly. This first note describes three triclads Turbellaria found in the gulf of Tunis for the first time: Procerodes lobata O. Schmidt, 1862, Procerodes dohrni Wilhelmi, 1909 and Sabussowia dioica Claparède, 1863. Precisions concerning ecological preferences and geographical distribution have been given.