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Homotherini
Homotherini is an extinct tribe of carnivoran mammals of the family Felidae (true cats). The tribe is commonly known as scimitar-toothed cats. These saber-toothed cats were endemic to North America, Europe, Asia, Africa, and South America〔Rincon, A., Prevosti, F., & Parra, G. (2011). New saber-toothed cat records (Felidae: Machairodontinae) for the Pleistocene of Venezuela, and the Great American Biotic Interchange Journal of Vertebrate Paleontology, 31 (2), 468-478 〕 from the Miocene to Pleistocene living from c. 23 Ma until c. 12,000 years ago.〔(Paleobiology Database: ''Homotherini'' Basic info ).〕
==Description==
Compared to the usually massively built dirk-toothed phenotype, apparent in ''Smilodon'', ''Megantereon'' and ''Barbourofelis'' (just to list a few), their upper canines were smaller than those of equally sized cats that had the dirk-tooth phenotype, but they had serrated edges.〔Martin, L.D., (1989). Fossil history of the terrestrial Carnivora. In: Gittleman J.L., ed. Carnivore behaviour, ecology, and evolution, Vol. 1. Ithaca, IL: Cornell University Press, 536-568.〕〔Van Valkenburgh, B. 2007. Deja vu: the evolution of feeding morphologies in the Carnivora. Integrative and Comparative Biology 47:147-163.〕 The scimitar-toothed phenotype has also evolved independently in other mammal families.〔Meloro, C., and G. J. Slater. 2012. Covariation in the skull modules of cats: the challenge of growing saber-like canines. Journal of Vertebrate Paleontology 32:677-685.〕
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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