Chubutensis Shark Tooth with Bite Mark!Carcharocles Chubutensis was a gigantic prehistoric "megatoothed" shark which thrived within earth's oceans during the Oligocene Miocene time period, approximately 28 5 million years ago. Research has concluded Carcharocles Chubutensis was very closely related to an even larger predator, Carcharadon Megalodon, which also swam the oceans during the same approximate time period. However, since a shark's skeletal system is composed not of bone but