Peak Existence and Global Distribution By the time the species *Carcharocles megalodon* was fully established, the planet had entered a period of climatic stability. This allowed the species to spread across the globe, with fossil evidence found on every continent except Antarctica.
The Miocene Emergence: Tracing Megalodon Lineage Start
During this period, the Earth's climate was warmer, and sea levels were higher, creating vast shallow seas ideal for the evolution of large marine life. This environmental shift likely contributed to the gradual decline of the megalodon population.
These rings allow scientists to estimate the age and size of the shark at death, providing clues about when individuals were likely born. The Miocene Emergence Most paleontological evidence suggests that the lineage leading to megalodon began in the early Miocene epoch, roughly 23 to 20 million years ago.
The Miocene Emergence: When the Megalodon Lineage First Appeared
Understanding this timeline helps scientists reconstruct the ancient marine ecosystems in which this legendary predator thrived. The species is generally believed to have emerged after its predecessor, the massive shark *Otodus obliquus*, began to show distinct evolutionary changes.
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