Malacología, foraminíferos y paleogeografía del Neógeno superior de la Cuenca del Bou-Regreg (Borde occidental del corredor Sur-Rifeño, Marruecos)

The molluscs and foraminiferids comunnities of three representatives sections (Dar Bel Amri, Oued Arjat and Sale) of de Upper Neogene of the Bou Regreg Basin are studied. The paleontological results reflected changes in the benthic comunities, which are shallower from the East to the West, and from the Mioeene to the Pliocene. The stratigraphy and sedimentology are according with the paleontological results.