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Reconstruction of "Acinonyx kurteni""Acinonyx kurteni", or the Linxia cheetah, is a discredited fossil specimen of an extinct cheetah discovered in China.The scientific name was assigned for the skull that was originally described to be that of an extinct species of cheetah, endemic to Asia during the Late Pliocene sub-epoch.
The oldest cheetah fossils, excavated in eastern and southern Africa, date to 3.5–3 mya; the earliest known specimen from South Africa is from the lowermost deposits of the Silberberg Grotto (Sterkfontein). [2] [8] Though incomplete, these fossils indicate forms larger but less cursorial than the modern cheetah. [31]
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 ...
Many people alive today carry traces of Denisovan DNA, but — because fossils of these extinct ancestors are still few and far between — experts in human origins still don’t know exactly what ...
The discovery of a newly identified species — the oldest saber-toothed animal found and an ancient cousin to mammals — fills a longstanding gap in the fossil record.
Researchers uncovered “remarkably complete” fossils from the skull and jaws of the mammal in rocks that date back to the period just after the extinction of the dinosaurs in the Corral Bluffs ...
Restoration. Like the modern cheetah, Acinonyx pardinensis is generally thought to have been adapted to running down prey. It probably took larger prey than living cheetahs, with estimated prey masses of 50–100 kilograms (110–220 lb), [2] though the idea that its ecology was similar to a modern cheetah has been contested by some authors, who suggest an ecology more similar to pantherine ...
A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to the waterfowl that live by lakes and oceans today, according to new ...