Journal of South American Earth Sciences[removed]–113 www.elsevier.com/locate/jsames

Source URL: sedici.unlp.edu.ar

• Phanerozoic
• Geologic time scale
• Pleistocene
• Arctotherium
• Tremarctinae
• Florentino Ameghino
• Great American Interchange
• Ensenadan
• Lujanian
• Bears
• Cenozoic
• Pleistocene extinctions