Contact Derek E.G. Briggs Frederick William Beinecke Professor of Geology and Geophysics Director of the Yale Peabody Museum of Natural History Curator in Charge of Invertebrate Paleontology, Yale Peabody Museum of Natural History Mailing address (U.S. Postal Service): Department of Geology and Geophysics Yale University P.O. Box 208109 New Haven CT 06520-8109 USA E-mail: derek.briggs@yale.edu Telephone/Fax: (203) 432 8590 Secretary: (203) 432-3752 (museum) Street address (UPS and FedEx deliveries): Kline Geology Laboratory 210 Whitney Ave. New Haven, CT 06511 USA