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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 PreꞒ Ꞓ 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 ...
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.
One of the best-known genera is the machairodont or "saber-toothed cat" Smilodon, the species of which, especially S. fatalis, are popularly referred to as "saber-toothed tigers", although they are not closely related to tigers . Despite some similarities, not all saber-tooths are closely related to saber-toothed cats or felids in-general
Machairodontinae (from Ancient Greek μάχαιρα machaira, a type of Ancient Greek sword and ὀδόντος odontos meaning tooth) is an extinct subfamily of carnivoran mammals of the family Felidae (true cats), representing the earliest diverging major branch of the family.
Other differences include the canine saber teeth of Megantereon lacking serrations (present on those of Smilodon) [11] the posterior border of the nasal region being less flat and the zygomatic arch being less upwardly arched and wider than that of Smilodon, and the mastoid process lacking the exaggerated development present in Smilodon. [10]
If you can think of more info to add, feel free to do so. FunkMonk 08:01, 2 March 2022 (UTC) Support- While the guidelines mentioned are useful to avoid stub articles, I see no good reason not to give Smilodon fatalis and S. populator their own articles. Both species are very well known, probably even better than many modern species.
The humerus preserves a combination of pantherine and machairodontine features, such as the entepicondylar foramen's shape though it is over twice as large as that of Smilodon ' s. This foramen is missing from humeri of Smilodon populator, [10] [11] leading the authors to speculate that P. balamoides was a pantherine.
The Etymology of the genus name was given by Wallace & Hubert to mean "root of Smilodon", with "rhizo" meaning "root" because of the apparent ancestral relation to Smilodon. The species name "fiteae" was named in honor of Barbara Fite, who donated the paratype specimen, UF 135626 , to the Florida Museum of Natural History.