megalodon shark's tooth (3.6 inches) from the Bone Valley
phosphate beds in Central Florida, Middle Eocene to Lower
Pliocene. Charcharodon megalodon is believed by some scientists
to have been the largest predator to ever exist on earth
ranging up to 100 feet in length. |
matrix with 34 teeth from same shark, Lamna aschersoni,
from the Eocene-age phosphate beds in Morocco.