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For example, megaherbivores thrived in Pleistocene Siberia, which had and has a more continental climate than Pleistocene or modern (post-Pleistocene, interglacial) North America. [ 196 ] [ 197 ] [ 198 ] The animals that became extinct actually should have prospered during the shift from mixed woodland-parkland to prairie, because their primary ...
Panthera onca augusta is an extinct subspecies of the jaguar that was endemic to North America during the Last Glacial Maximum of the Pleistocene epoch. [ 1 ] History and distribution
With the extinction of Arctodus pristinus, Arctodus simus became the final representative of the genus. Arctodus simus went extinct around 12,800 years ago, and is one of the most recently dated megafauna to go extinct in North America, being reliably dated to within the Pleistocene-Holocene boundary (13,800 BP - 11,400 BP).
Bison antiquus is an extinct species of bison that lived in North America during the Late Pleistocene from over 60,000 years ago until around 10,000 years ago. Bison antiquus was one of the most common large herbivores in North America during this time period.
Megatherium became extinct around 12,000 years ago as part of the end-Pleistocene extinction event, simultaneously with the majority of other large mammals in the Americas. The extinctions followed the first arrival of humans in the Americas , and one and potentially multiple kill sites where M. americanum was slaughtered and butchered is known ...
Pliocene–Pleistocene boundary extinction: 2 Ma: Possible causes include a supernova [7] [8] or the Eltanin impact [9] [10] Middle Miocene disruption: 14.5 Ma Climate change due to change of ocean circulation patterns. Milankovitch cycles may have also contributed [11] Paleogene: Eocene–Oligocene extinction event: 33.9 Ma
Over 50 genera (~ 83%) of megafauna in South and North America went extinct during the Pleistocene. [42] most mega mammals (>1000kg) and large mammals (>40kg) went extinct by the end of the Late Pleistocene. [43] During this period there was a major cooling event called the Younger Dryas and the Clovis culture of capturing game became more ...
Miracinonyx (colloquially known as the "American cheetah") is an extinct genus of felids belonging to the subfamily Felinae that was endemic to North America from the Pleistocene epoch (about 2.5 million to 16,000 years ago) and morphologically similar to the modern cheetah (Acinonyx jubatus), although its apparent similar ecological niches have been considered questionable due to anatomical ...