1. College of Medicine, Department of Anatomy, Laboratory of Evolutionary Biology, Howard University, Washington DC (United States)
2. CR2P UMR 7207 (MNHN, CNRS, UPMC-Paris 6, Sorbonne Universités), Département Histoire de la Terre, Muséum national d'Histoire naturelle, case postale 38, 57 rue Cuvier, F-75231 Paris cedex 05 (France)