The extinct shark Otodus megalodon was a transoceanic super-predator: Inferences from 3D modelling

Although shark teeth are abundant in the fossil record, their bodies are
rarely preserved. Thus, our understanding of the anatomy of the
extinct Otodus megalodon remains rudimentary. We used an
exceptionally preserved fossil to create the first 3D model of the body of
this giant shark and used it to infer its movement and feeding ecology. We
estimate that an adult O. megalodon could cruise at
faster absolute speeds than any shark species today, and fully consume
prey the size of modern apex predators (e.g., the killer whale). A dietary
preference for large prey potentially enabled O.
megalodon to minimize competition and provided a constant source
of energy to fuel prolonged migrations without further feeding. When taken
together, our results suggest that O. megalodon played a
singular ecological role as a transoceanic super-predator. As such, its
extinction likely had large impacts on global nutrient transfer and
trophic food webs.