| Affiliation: | 1. Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235-1634, USA;2. Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235-1805, USA;3. Department of Rancho La Brea, La Brea Tar Pits and Museum, Los Angeles, CA 90036, USA;4. Research and Collections, New York State Museum, Albany, NY 12230, USA;5. Department of Paleobiology, Museo Nacional de Ciencias Naturales, CSIC, C. Jose Gutiérrez Abascal 2, Madrid 28006, Spain;6. Vertebrate Paleontology Laboratory, Jackson Museum of Earth History, University of Texas, Austin, TX 78712, USA |
