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Machairodus
''Machairodus'' is a genus of large machairodontine saber-toothed cats that lived in Europe, Asia, Africa and North America during the late Miocene.
==Description==
"''Nimravides''" ''catacopis'' stood about 1 m at the shoulder. ''Machairodus coloradensis'' was apparently significantly larger, about 1.2 m at the shoulder, according to skeletal and life reconstructions.〔 If accurate, this would make ''M. coloradensis'' one of the largest felids.
The skull of ''Machairodus'' was noticeably narrow compared with the skulls of modern pantherine big cats, and the orbits were relatively small. The canines were long, thin and flattened from side to side but broad from front to back like the blade of a knife, as in ''Homotherium''. The front and back edges of the canines were serrated when they first grew, but these serrations were worn down in the first few years of the animal's life.
''Machairodus'' was about 2 metres long and probably hunted as an ambush predator. Its legs were too short to sustain a long chase, so it most likely was a good jumper, and used its canines to cut open the throat of its prey. Its teeth were rooted to its mouth and were not too delicate, unlike most saber-toothed cats of the time, which had extremely long canines which hung out of their mouths. The fangs of ''Machairodus'', however, were able to more easily fit in its mouth comfortably while being long and effective for hunting.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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