Kids Find Massive Prehistoric Tooth - NBC4 Washington

    Kids Find Massive Prehistoric Tooth

    Four Iowa kids were surprised to find a five-pound molar that has been confirmed to be a mastodon tooth. Professors at Upper Iowa University believe that the tooth belonged to a mastodon more than 20,000 years ago. (Published Friday, Jul 5, 2013) Four Iowa kids were surprised to find a five-pound molar that has been confirmed to be a mastodon tooth. Professors at Upper Iowa University believe... See More