MountainMegalodonsTM
Fossil Shark Teeth
A Short History of Time
ERA YEARS AGO WHAT HAPPENED
PRECAMBRIAN
OVER 4.5 BILLION

1.5 BILLION
THE EARTH'S CRUST FORMS.

BACTERIA AND ALGAE FORM.
PALEOZOIC
600 MILLION

440 MILLION

300 MILLION
MARINE INVERTEBRATES APPEAR.

AIR BREATHING ANIMALS AND SHARKS APPEAR.

SWAMPLANDS AND REPTILES DEVELOP.
MESOZOIC
299 MILLION

71 MILLION
VOLCANIC ACTIVITY. DINOSAURS APPEAR.

DINOSAURS, GIANT REPTILES DIE OUT.
CENOZOIC
70 MILLION (Paleocene)

53 MILLION(Eocene)

37 MILLION(Oligocene)

26 MILLION(Miocene)

12 MILLION(Pliocene)

2 MILLION(Pleistocene)
MEGALODON PROGENITOR IS Otodus obliquus.

Otodus EVOLVES SERRATIONS.

MEGALODON PROGENITOR BECOMES C. auriculatis

MEGALODON PROGENITOR IS: C. angustidens.

MEGALODON PROGENTIOR IS: C. chubutensis.

EXTINCTION OF: Carcharocles megalodon.



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