[Advances in Science, Technology & Innovation] Exploring the Nexus of Geoecology, Geography, Geoarcheology and Geotourism: Advances and Applications for Sustainable Development in Environmental Sciences and Agroforestry Research (Proceedings of the 1st Springer Conference of the Arabian Journal of Geosciences (CAJG-1), Tunisia 2018) || Why Anthracotheroides had Faced Family Level Extinction: Enamel Hypoplasia an Answer to the Question