Freshwater planarians (Platyhelminthes, Tricladida) from the Palearctic section of the African continent: new records, with the description of a new species Author Harrath, Abdul Halim Zoology Department College of Science, King Saud University, Saudi Arabia & Research unit Animal Reproduction and Developmental Biology, Department of Biology, Faculty of Sciences of Tunis, 2092 Manar II, Tunisia halim.harrath@laposte.net Author Sluys, Ronald Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam & Netherlands Centre for Biodiversity Naturalis (section ZMA), P. O. Box 9514, 2300 RA Leiden, The Netherlands. Author Merzoug, Djemoi Université Larbi Ben M'Hidi, Oum-El-Bouaghi, Algeria Author Khebiza, Mohamed Yacoubi- Faculty of Science, Cadi Ayyad University, Marrakech, Morocco Author Alwasel, Saleh Zoology Department College of Science, King Saud University, Saudi Arabia Author Riutort, Marta Institut de Recerca de la Biodiversitat (IRBio) i Dpt. de Genètica, Facultat de Biologia, Universitat de Barcelona text Zootaxa 2012 2012-02-03 3182 1 1 15 https://biotaxa.org/Zootaxa/article/view/zootaxa.3182.1.1 journal article 4843 10.11646/zootaxa.3182.1.1 bcf5321d-09cd-4da7-a564-cafd8e000e9d 1175-5326 5247949 Polycelis nigra (Müller, 1774) Material examined ZMA V . Pl. 6909.1, Oued El Akarit located in the governorate of Gabes , Tunisia , 5 March 2010 , coll. A. H. Harrath , sagittal sections on 10 slides ; V . Pl. 6909.2, ibid., sagittal sections on 9 slides ; V . Pl. 6909.3, ibid., horizontal sections on 6 slides ; V . Pl. 6909.4, ibid.,sagittal sections on 12 slides