PIRAQUIVE, Alejandro¹, KAMMER, Andreas¹, DIAZ-CAÑAS, Juan Sebastian¹, and MAURIN, Thomas², (1) Departamento de Geociencias, Universidad Nacional de Colombia, Carrera 30 # 45-03 Edificio Manuel Ancizar, oficina 309, Bogota, 14490, Colombia, alekos19a@gmail.com, (2) 1Equipe Géodynamique d'Echanges Recherche Industrie Enseignement, CEREGE, CNRS, Université de Nice Sophia Antipolis, IRD, INSU-CNRS Observatoire de la Côte d'Azur, UMR 6535, Aix en Provence, France, 250 rue Albert Einstein – 06560 VALBONNE, Nice, 06000

JARAMILLO, Carlos, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon 0843-03092 Panama, jaramilloc@si.edu

FARRIS, David W., Earth, Ocean and Atmospheric Science, Florida State University, 909 Antarctic Way, Tallahassee, FL 32306, dwfarris@fsu.edu

HIDALGO, Paulo J., Geoscience Department, Georgia State University, 342 Sparks Hal, Atlanta, GA 30303, phidalgoodio@gsu.edu and ROONEY, Tyrone O., Geological Sciences, Michigan State University, 206 Natural Sciences, East Lansing, MI 48824

ROONEY, Tyrone O., Geological Sciences, Michigan State University, 206 Natural Sciences, East Lansing, MI 48824, rooneyt@msu.edu, FRANCESCHI, Pastora, Engineering Division – IAIG-GEL, Autoridad del Canal de Panama, Corozal West, Bldg. 721, Panama, Panama, and HIDALGO, Paulo, Dept. of Geoscience, Georgia State University, P.O. Box 4105, Atlanta, GA 30302

MORENO, J.F, Center for Tropical Paleoecology and Archaeology, Smithsonian Tropical Research Institute, Panama City, 9100, Panama, federicomrn@gmail.com, FOSTER, David A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, MONTES, Camilo, Geosciences, Universidad de Los Andes, Bogota, Colombia, ROONEY, Tyrone, Geological Sciences, Michigan State University, 206 Natural Sciences, East Lansing, MI 48824, and JARAMILLO, Carlos, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, 0843-03092, Panama

COATES, Anthony G., Smithsonian Tropical Research Institute, STRI Unit 9100 Box 0984, DPO AA, 34002-9998, Panama, coatesag@si.edu and STALLARD, Robert, Dept. of the Interior, U.S.Geological Survey, National research Center, and Smithsonian Tropical Research Institute, Panama, STRI Unit 9100, Box 0948, DPO AA, 34002-9998

MONTES, Camilo, Geosciences, Universidad de Los Andes, Bogota, Colombia, cmontes@uniandes.edu.co, CARDONA, Agustin, School of Chemistry and Petroleum, Universidad Nacional de Colombia, Facultad de Minas, Medellin, Colombia, BAYONA, Germán, Corporación Geológica ARES, Calle 44 A # 53-96, Bogotá, Colombia, and HOYOS, Natalia, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, Panama, 0843-03092, Panama

NEWKIRK, Derrick and MARTIN, Ellen E., Department of Geological Sciences, University of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, drnewk@ufl.edu

SEPULCHRE, Pierre¹, DUTAY, Jean-Claude¹, ARSOUZE, Thomas², JARAMILLO, Carlos³, MONTES, Camilo⁴, and DONNADIEU, Yannick¹, (1) Cnrs, Laboratoire des Sciences du Climat et de l'Environnement (LSCE), L'Orme des Merisiers, Batiment 701, Gif-sur-Yvette, 91191, France, pierre.sepulchre@lsce.ipsl.fr, (2) Ensta, PARISTECH, Chemin de la Hunière, Palaiseau, 91761, France, (3) Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, 0843-03092, Panama, (4) Geosciences, Universidad de Los Andes, Bogota, Colombia

HENDY, Austin J.W., Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, FL 32611, ahendy@flmnh.ufl.edu

ITURRALDE-VINENT, Manuel A., Cuban Academy of Sciences, Havana, 10200, Cuba, maiv_cu@yahoo.com and MACPHEE, Ross D.E., Vertebrate Zoology (Mammalogy), American Museum of Nat History, Central Park West at 79th St, New York, NY 10024

PUCKETT, T. Markham, Physics and Earth Science, University of North Alabama, P.O. Box 5130, 1 Harrison Plaza, Florence, AL 35632-0001, tmpuckett@una.edu, COLIN, Jean-Paul, Faculdad de Ciências, Centro de Geologia, Universidadede Lisboa, Campo Grande, C-6, Lisboa, 30 1749-016, Portugal, and MITCHELL, Simon F., Geography and Geology, University of the West Indies, Mona, Kingston 7, Kingston, 0007, Jamaica