1. Alabama Museum of Natural History, University of Alabama, 427 6th Avenue, Smith Hall, Box 870340, Tuscaloosa, AL 35487, USA
2. BioSynC, The Field Museum of Natural History, 1400 S Lake Shore Drive, Chicago, IL 60657, USA
3. School of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK
4. Department of Geological Sciences, The University of Texas at Austin, 1 University Station, C1100, Austin, TX 78712, USA
5. Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, USA
6. Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 228 Bessey Hall, Lincoln, NE 68588-0340, USA
7. Museum of Paleontology, University of California, 1101 Valley Life Sciences Building, Berkeley, CA 94720, USA
8. Atmosphere and Ocean Research Institute, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8564, Japan
9. Utah Museum of Natural History and Department of Geology & Geophysics, University of Utah, Salt Lake City, UT 84112, USA
10. Institut für Geowissenschaften, University of Tübingen, Sigwartstraße 10, 72076 Tübingen, Germany
11. Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA
12. Department of Paleontology, North Carolina Museum of Natural Sciences, Raleigh, NC 27601, USA
13. Laboratorio de Ecologia e Evolucao, Instituto Butantan, Av. Dr. Vital Brasil, 1500, 05503-900 Sao Paulo, SP, Brazil
14. Committee on Evolutionary Biology, University of Chicago, 1027 E. 57th Street, Chicago, IL 60637, USA
15. Department of Geology, Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA
16. Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
17. Department of Biology and Marine Biology, University of North Carolina at Wilmington, NC 28403, USA
18. Department of Biology, University College London, Gower Street, London WC1E 6BT, UK
19. Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung an der Humboldt-Universität zu Berlin, Invalidenstr. 43, 10115 Berlin, Germany
20. Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, A316 Earth and Marine Sciences Building, Santa Cruz, CA 95064, USA
21. Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275, USA
22. Department of Paleoanthropology and Messel Research, Senckenberg Museum, Senckenberganlage 25, 60325 Frankfurt am Main, Germany
23. Department of Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada