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The discovery of Upper Miocene vertebrates at Tizi N’Tadderht in the Ouarzazate basin (Morocco) helps to fill a gap in our knowledge of Neogene faunas in North Africa. The new fauna includes an ostrich cf. Struthio sp, a turtle cf. Centrochelys sp., Crocodylus cf. niloticus, and a relatively diverse fauna of large mammals. The mammal assemblage probably includes three hipparion species, including a very small form not previously reported from Africa, aff. Cremohipparion periafricanum, two species of rhinoceros cf. Ceratotherium sp. and aff. Chilotherium sp., a Proboscidean cf. Tetralophodon sp., a large member of the Giraffidae similar to “Palaeotragus”germaini and two bovids of which one is likely related to Prostrepsiceros, while the other is a new medium-sized antelope with spiral horns, certainly a representative of the Caprinae, a group that is rare in Africa. A late Miocene age, corresponding to the European …