Activity Matthew Downing replied to the topic Need Help Help identifying a tooth in the forum What Is It? 2 years, 5 months ago 2 years, 5 months ago 2 years, 5 months ago My best guess is a badly worn shark tooth Rene Dominguez replied 2 years, 5 months ago Hi mr Downing. i posted more pictures to help your identification i know it’s hard using only pictures. could it be a modern shark or a fossil? thank you for your anwser.