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Megalodon (Otodus megalodon) is an extinct giant shark species that lived approximately 23 million to 3.6 million years ago during the Miocene and Pliocene epochs and is regarded by scientists as one of the largest marine predators to have ever existed. Fossil evidence indicates that megalodon inhabited large parts of the world’s oceans. Because it had a skeleton composed largely of cartilage, like modern sharks, most remains preserved today consist of teeth and vertebrae. Its triangular, serrat

Megatherium is a genus of extinct animals belonging to the family Megatheriidae that lived during the Pleistocene epoch. The species was first discovered in 1788 in the Luján region of Argentina and described by Cuvier. The most well-known species of this genus is Megatherium americanum, which is regarded as one of the largest land mammals of prehistoric times, reaching weights of approximately four tons and lengths of up to six meters. The genus name derives from the Greek for “great beast.”Meg

Diprotodon is recognized as the largest marsupial to have ever lived on the Australia continent and one of the most striking members of the Pleistocene megafauna. This massive animal, reaching lengths of approximately three metres and shoulder heights of 1.8 metres, was distinctly larger than most contemporary mammals, with a mass exceeding 2500 kilograms. Ecologically, Diprotodon fulfilled the role of Australia’s dominant herbivorous “big av animal,” occupying the megaherbivore niche represente