Megalodon
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Otodus megalodon, commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.58 million years ago, from the Early Miocene to the Early Pliocene epochs.
Megalodon jaw, Tellus Science Museum
Holotype tooth (Fig. 2–3) in Agassiz (1835), cataloged as TE-PLI 18
Megalodon tooth with two great white shark teeth
The great white shark (Carcharodon carcharias) and megalodon were previously thought to be close relatives.
Otodontidae
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Otodontidae is an extinct family of sharks belonging to the order Lamniformes. Its members have been described as megatoothed sharks. They lived from the Early Cretaceous to the Pliocene, and included
Megalodon
…member of the family Lamnidae and a close relative of the great white shark (Carcharodon carcharias), but has been reclassified into the extinct family Otodontidae, which diverged from the great white shark during the Early Cretaceous. While regarded as one of the largest and most powerful predators to have ever…
Otodontidae teeth with scale