Oncocerida Name: Ovoceras (aka Gomphoceras)? Size: 2 1/8" across at widest points and 3 3/4" long Time Period: Middle Devonian Formation: Upper Mahantango Location: Orwigsburg, Schuylkill County, Pennsylvania Above specimen collected by Richard D. L. Fulton June 12, 2002 Return to Cephalopod Workshop Main Page