The Late Pleistocene to the beginning of the Holocene saw the extinction of the majority of the world's megafauna, typically defined as animal species having body masses of 45 kg or more, which result
Late Pleistocene in northern Spain, by Mauricio Antón. Left to right: wild horse, woolly mammoth, reindeer, cave lion, woolly rhinoceros
Mural of the La Brea Tar Pits by Charles R. Knight, including sabertooth cats (Smilodon fatalis, left) ground sloths (Paramylodon harlani, right) and Columbian mammoths (Mammuthus columbi, background)
The proportion of extinct large mammal species (more than or equal to 10 kg (22 lb)) in each country during the last 132,000 years, only counting extinctions earlier than 1000 years BP (Note, Gray Areas on continents indicate land entirely covered in Glacial Ice at the time, and on islands, that man had not yet reached by this time i.e. no data either way)
Environment of what is now White Sands National Park in New Mexico, with Columbian mammoths, a ground sloth, dire wolves, lions, camels, and saber-toothed cats.
Smilodon is a genus of extinct felids. It is one of the best-known saber-toothed predators and prehistoric mammals. Although commonly known as the saber-toothed tiger, it was not closely related to th
Late Pleistocene extinctions
…veroensis) (H) †Order Notoungulata Mixotoxodon (H) Carnivora Feliformia Several Felidae spp. Saber-toothed and scimitar-toothed cats (†Machairodontinae) Smilodon fatalis (saber-toothed cat) (C) Homotherium serum (scimitar-toothed cat) (C) American cheetah (Miracinonyx trumani; not a true cheetah) Cougar (Puma concolor…
Smilodon populator fossil, Tellus Science Museum 1
1869 lithograph of the holotype molar and maxilla fragment of S. fatalis
Comparison between the skulls of the machairodonts Homotherium, Megantereon, and Smilodon, by Mauricio Antón
S. fatalis skeleton at the US National Museum of Natural History