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Otodus megalodon (/ ˈ m ɛ ɡ əl ə d ɒ n / MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Early Pliocene epochs.
Marine mammals likely constituted a big part of megalodon's menu, so with it gone, they were free to thrive. Observations indicate that in the years since the mega-shark's extinction, baleen ...
Brachysuchus (meaning "wide crocodile") is an extinct genus of phytosaur known from the late Triassic period (Carnian stage) of Dockum Group in Texas, United States.It is known from the holotype UMMP 10336 [1] is composed of a skull, lower jaws and partial postcranium and from the associated paratype UMMP 14366, nearly complete skull, recovered from the 'Pre-Tecovas Horizon' in the Dockum Group.
A giant shark that was known as a megalodon use to terrorize the underwater world. Although the enormous sharks didn't make the evolutionary cut, researchers believe they still had a big impact on ...
One of the most striking fossils around today are the teeth and reconstructed jaws of the megalodon.The jaws of the extinct shark are so big, one or two people can stand inside them. They're ...
†Brachysuchus megalodon – type locality for species †Bravoceratops – type locality for genus †Bravoceratops polyphemus – type locality for species; Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus †Brontopodus – type locality for genus; Busycon – tentative report; Cadulus; Caestocorbula †Caestocorbula crassaplica
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During the Late Pleistocene, particularly from around 50,000 years ago onwards, most large mammal species became extinct, including 80% of all mammals greater than 1,000 kilograms (2,200 lb), while small animals were largely unaffected. This pronouncedly size-biased extinction is otherwise unprecedented in the geological record.