1. Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, Michigan 48104, USA
2. Universidad del Norte, Barranquilla 080001, Colombia
3. Smithsonian Tropical Research Institute, Panamá, Republic of Panama
4. Institut des Sciences de l’Evolution de Montpellier (ISEM), Université de Montpellier, 34090 Montpellier, France
5. Natural History Museum of Los Angeles County, Los Angeles, California 90007, USA
6. Paleontological Research Institution, Ithaca, New York 14850, USA
7. Department of Geological Sciences, University of Florida, Gainesville, Florida 32611, USA
8. Department of Geology and Geography, West Virginia University, Morgantown, West Virginia 26506, USA
9. Department of Earth Sciences, Syracuse University, Syracuse, New York 13244, USA