Wight Coast Fossils photo A “ serrated blade” found sticking from a rock in the United Kingdom has been identified as a “nearly perfect” prehistoric shark tooth, experts say. It belonged ...

Louis-Philippe Bateman's fascination with megalodon began with a single sentence in a book about Canada's geological ...

For example, students might calculate the ratios of tooth dimensions, explore geometric properties of triangles, or hypothesize about prehistoric shark nurseries based on tooth size distributions!