Keywords: Eastman1901-web.jpg en Tooth of Sphyrna prisca and Galeocerdo latidens taken from http //www elasmo com/frameMe html file genera/cenozoic/sharks/carcharhinus html menu bin/menu_genera-alt html original from Charles Rochester Eastman 1868-1918 EASTMAN C R 1901 Pisces in CLARK W B MARTIN G C The Eocene deposits of Maryland Maryland Geological Survey Stratigraphic Memoir 98-113 pls 12-15 Baltimore Charles Rochester Eastman 1868-1918 1901 PD-old Sphyrna Galeocerdo Carcharhinidae teeth Shark teeth Maryland Geological Survey |