Muséum National d'Histoire Naturelle

Full Professor in Palaeontology, Università degli Studi di Firenze

Professor, Dept. of Earth and Environmental Sciences, University of Minnesota

Université de Montpellier

Professor of Mammalogy, Facultad de Ciencias Naturales y Museo, Universidad Nacional …

Curator of Paleontology, New Mexico Museum of Natural History and Science

Curator Emeritus of Cenozoic Mammals, Dept. Paleobiology, National Museum of Natural …

Professor of Palaeontology, Aristotle University of Thessaloniki

Universidad Complutense de Madrid.

Professor of Paleontology, University of Zaragoza, Spain