MICHAEL O. WOODBURNE,^* ROBERT M. HUNT,^** GINA C. GOULD,^*** EUGENE S. GAFFNEY,^**** LAWRENCE J. FLYNN<sup>*****


*</sup>Professor, Department of Earth Sciences, University of California, Riverside, CA 92521
^**Research Associate, Division of Paleontology, American Museum of Natural History; Professor, Geological Sciences, and Curator, Vertebrate Paleontology, University of Nebraska, Lincoln, NE 68588-0549
^***Exhibits Project Director, Florida Museum of Natural History, University of Florida, Gainesville, FL 32611
^****Curator, Division of Paleontology, American Museum of Natural History
^*****Assistant Director, Peabody Museum of Archaeology and Ethnology, Harvard University, Cambridge, MA 02138