“We found the holy grail of collecting for Calvert Cliffs,” Nance said ... at the museum collected 53 teeth from the same megalodon. The odds? “Astronomical,” Nance said.

The megalodon, or Otodus megalodon ... to be known as the “Best Day,” John Nance was walking along the Calvert Cliffs beach ...

The megalodon - ancient Greek for "big tooth ... they headed to the shores of nearby Calvert Cliffs with her husband Bruce, she told the BBC's US partner CBS News. "She told me she was wading ...