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This is an accepted version of this page This is the latest accepted revision, reviewed on 6 March 2025. Extinct genus of saber-toothed cat Smilodon Temporal range: Early Pleistocene to Early Holocene, 2.5–0.0082 Ma Pre๊ ๊ O S D C P T J K Pg N ↓ Mounted S. populator skeleton at Tellus Science Museum Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class ...
Reconstruction of a Smilodon The evolution of enlarged canines in Tertiary carnivores was a result of large mammals being the source of prey for saber-toothed predators. The development of the saber-toothed condition appears to represent a shift in function and killing behavior, rather than one in predator-prey relations.
Smilodontini is an extinct tribe within the Machairodontinae or "saber-toothed cat" subfamily of the Felidae.The tribe is also known as the "dirk-toothed cats".They were endemic to South America, North America, Europe, Asia, and Africa during the Middle Miocene to early Holocene, from 10.3 mya—8,200 years ago.
† Smilodon fatalis: Over 2.000 individuals represented by more than 130.000 specimens. Smilodon is among the most well-known mammals from Rancho La Brea and the second most common carnivore found in the pits, only behind the dire wolf. Unlike the American lion, which is a true cat, Smilodon was a member of the Machairodontinae.
Smilodon fatalis, Arctotherium bonariense, Canis nehringi, maned wolves, and humans would have also joined this predator guild at various stages of the Lujanian. [ 19 ] [ 33 ] [ 34 ] However, a fragmented Arctotherium c.f. tarijense tooth from Baño Nuevo-1 cave in southern Chile preserves cavities, which could be interpreted as a consequence ...
Saber-toothed cat (Smilodon) spp. [92] Smilodon fatalis (northwestern South America) Smilodon populator (eastern and southern South America) Patagonian jaguar (Panthera onca mesembrina) (some authors have suggested that these remains actually belong to the American lion instead [93]) Caniformia. Canidae Dire wolf (Aenocyon dirus) Nehring's wolf ...
Smilodon is among the most well-known mammals from the Ice Age, but S. gracilis is far smaller than later species. S. gracilis was described on the basis of a canine from Port Kennedy by Cope in 1880 and was the ancestor to Rancholabrean species. [24] [25] Unlike the American lion, which is a true cat, Smilodon was a member of the Machairodontinae.
S. fatalis may have been impacted by habitat turnover and loss of prey it specialized on due to possible climatic plus anthropogenic impacts and other factors while the extinction of S. populator remains poorly understood." As long as the lede mainly reflects on the extinction of Smilodon in particular, we should be