1. Department of Geological Sciences, Faculty of Biological and Agricultural Sciences, Mouloud Mammeri University of Tizi-Ouzou, Tizi-Ouzou, Algeria
2. Laboratory of Geomatics, Ecology and Environment, Mustapha Stambouli University of Mascara, Mascara, Algeria
3. Saurierwelt Paläontologisches Museum, Neumarkt, Germany
4. Research Laboratory n°25, Abou Bekr Belkaïd University of Tlemcen, Tlemcen, Algeria