The Knife Tooth Cat (Machairodus) is a genus of large machairodont or ''saber-toothed cat'' that lived in Africa, Eurasia and North America during the late Miocene. It is the animal from which the subfamily Machairodontinae gets its name and has since become a wastebasket taxon over the years as many genera of sabertooth cat have been and are still occasionally lumped into it.
Dinofelis is an extinct genus of machairodontine, usually classified in the tribe Metailurini. It was widespread in Europe, Asia, Africa and North America from 5 million to about 1.2 million years ago. Fossils very similar to Dinofelis from Lothagam range back to around 8 million years ago, in the Late Miocene.
Homotherium is an extinct genus of scimitar-toothed cat belonging to the extinct subfamily Machairodontinae that inhabited North America, South America, Eurasia, and Africa during the Pliocene and Pleistocene epochs from around 4 million to 12,000 years ago. It was one of the last surviving members of the subfamily alongside the more famous sabertooth Smilodon, to which it was distantly related. It was a large cat, comparable in size to a lion. In comparison to Smilodon, the canines of Homotherium were shorter, and it was probably adapted to running down rather than ambushing prey.
Platybelodon is an extinct genus of large herbivorous proboscidean mammals related to modern-day elephants, placed in the "shovel tusker" family Amebelodontidae. Species lived during the middle Miocene Epoch in Africa, Asia and the Caucasus.
Machairodontinae is an extinct subfamily of carnivoran mammals of the family Felidae. They were found in Asia, Africa, North America, South America, and Europe from the Middle Miocene to the Early Holocene.
Adelphailurus is an extinct genus of metailurin machairodontine (saber-toothed) cat that inhabited western North America during the middle Pliocene. It is monotypic, containing only the species Adelphailurus kansensis.
Amphicyon is an extinct genus of large carnivorans belonging to the family Amphicyonidae, subfamily Amphicyoninae, from the Miocene epoch. Members of this family received their vernacular name for possessing bear-like and dog-like features. They ranged over North America, Europe, Asia, and Africa.
Protictitherium is an extinct genus of hyena that lived across Europe and Asia during the Middle and Late Miocene, it is often considered to be the first hyena since it contains some of the oldest fossils of the family. They were especially prolific in Turkey, where every species has been registered.
Agnotherium is a genus of large sized carnivoran mammals, belonging to the Amphicyonidae, which has been found in Western Europe, and possibly China and Northern Africa, and lived during the Late Miocene epoch. Despite only being known from fragmentary remains, the genus notable for hypercarnivorous adaptions, which have been said to represent the "apex" among its family.
Gobicyon is an extinct genus of large-sized carnivoran mammals, belonging to the Amphicyonidae, that was discovered in China, Mongolia, and Serbia, and lived during the Middle Miocene epoch. Despite only being known from rather fragmentary remains, recent discoveries showcase that it was an aberrant member of the subfamily Haplocyoninae, with adaptions towards bone-crushing similar to those of a hyaena.
Amphimachairodus is an extinct genus of large machairodonts. It is also a member of the tribe Homotherini within Machairodontinae and is most closely related to such species as Xenosmilus, Homotherium itself, and Nimravides. It inhabited Eurasia, Northern Africa and North America during the late Miocene epoch.
Hemimachairodus is an extinct genus of machairodontine (sabre-toothed) cat with only one species, Hemimachairodus zwierzyckii, known from fossils from the Pleistocene of Java.
Stenailurus is an extinct genus of metailurin machairodontine (saber-toothed) cat from the Late Miocene of Spain. It contains a single species, Stenailurus teilhardi . It was described based on a piece of maxilla in 1972.
The Liushu Formation is a geological formation in Gansu province, China that spans up to 100 m thick and is widely distributed within the Linxia Basin, with a paleomagnetic age between 11 and 6.4 mya.
Longchuansmilus is an extinct genus of machairodontine (sabre-toothed) cat that lived in China during the Late Miocene. The type and only species, Longchuansmilus xingyongi, was described in 2022.
Taowu is an extinct genus of machairodonts, a type of saber-toothed cat. It lived during the Early Pleistocene about 2.5 million years ago in East Asia. So far, only one skull is known, found in northern China. Based on this, a relatively small representative of the saber-toothed cats can be reconstructed, which only reached the size of a present-day leopard. In its dentition characteristics, it mediates between phylogenetic older forms such as Amphimachairodus and younger members such as Homotherium. The genus was scientifically described in 2022, but the find material was recovered as early as the 1930s.
Ammitocyon is a genus of large sized carnivoran mammals, belonging to the Amphicyonidae, that lived during the Late Miocene in what is now Spain. It is notable for its extreme adaptations towards hypercarnivory, its extremely robust skeleton, and was one of the last surviving members of its family.
Fortunictis is a fossil genus of metailurin machairodontine (saber-toothed) felid containing only one species, Fortunictis acerensis. Both the genus and species were described by paleontologist Joan Pons-Moyà in 1987 based on material from Casa del Acero in Spain, which is dated back to the Upper Miocene.
Vishnufelis is a fossil genus of feline (cat) containing only a single species, Vishnufelis laticeps. It was described by Guy Ellcock Pilgrim in 1932, based on the first cranial material of a cat found in Asia: a fragmented skull found in the Chinji Formation, which dates back to the middle Miocene.
Parapliohyrax is an extinct genus of large hyracoid, a group today represented only by the diminutive hyraxes, but showing in fossil archives a large diversity in ecology and morphology. Parapliohyrax lived during the Miocene period, in various localities spanning the entirety of the African continent. Two species have been identified, based on cranial remains : Parapliohyrax mirabilis, the type species, known from the Miocene of Morocco and Tunisia, and P. ngororaensis, discovered in Kenyan and Namibian deposits. Isolated postcranial remains attributed to the genus have been identified in South African and Libyan deposits of the same age.
