The nursery grounds of the ancient oceans likely saw the birth of generations of megalodon ancestors, slowly growing in size and dominance. The species is generally believed to have emerged after its predecessor, the massive shark *Otodus obliquus*, began to show distinct evolutionary changes.
H2: The Pliocene Period: When Megalodon First Emerged and Thrived
3 mya Species emerges and peaks Pliocene 5. Understanding this timeline helps scientists reconstruct the ancient marine ecosystems in which this legendary predator thrived.
Peak Existence and Global Distribution By the time the species *Carcharocles megalodon* was fully established, the planet had entered a period of climatic stability. The timing of the last "birth" of megalodon is difficult to pinpoint, but the species was largely extinct by the end of the Pliocene, around 2.
H3: The Pliocene Timeline: When Megalodon's Ancestors Emerged and Thrived
6 million years ago. These rings allow scientists to estimate the age and size of the shark at death, providing clues about when individuals were likely born.
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