An Australian teacher and fossil enthusiast stumbled upon the finding of a lifetime when he uncovered a set of fossilized 3-inch teeth from an extinct shark, known as the great jagged narrow-toothed shark or Carcharocles angustidens. Phillip Mullaly said that he couldn't believe what he saw, as he walked along Jan Juc, a beach town and well-known fossil site along Victoria’s Surf Coast in Australia. “I was walking along the beach looking for fossils, turned and saw this shining glint in a boulder and saw a quarter of the tooth exposed," Mullaly said in a statement. "I was immediately excited,...