Nimravidae
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- Work cat.: Desler, R.H. Description of a new Barbourofelis species (Carnivora, Mammalia) from the Dalles Formation of northern Oregon, 2003:leaf 1 (Within the order Carnivora, two families, Felidae and Nimravidae, evolved the saber-tooth morphology. Felids, "true cats", and nimravids, "false cats", can be distinguished by features of the auditory bulla and brain)
- The tree of life website, Nov. 17, 2003(Nimravidae (false saber-tooths). Carnivora)
- Sabretooths!, via Univ. of Calif. Museum of Paleontology special exhibits website, Nov. 17, 2003(Sabre-toothed members of the Carnivora, the mammalian order that contains cats, dogs, bears, weasels, and others, appeared independently at least twice. Sabre teeth evolved both among the true cats, or the family Felidae (these sabre-toothed cats are sometimes classified in a separate subfamily of cats, the Machairodontinae) and within the Nimravidae, an extinct carnivore family that was related both to the true cats and to the civets and mongooses.)
- The fossil record 2, via WWW, Nov. 17, 2003(Family Nimravidae. Order Carnivora. Terrestrial)
- The bibliography of fossil vertebrates, via WWW, Nov. 17, 2003(21 references retrieved in query for Nimravidae)
- Zoological scripta, May 2003, via Blackwell Synergy website, Nov. 17, 2003:p. 199 (The Nimravidae is a family of sabre-tooth predators which are well represented in North America and Europe. Carnivora)
- Journal of vertebrate paleontology, v. 22, no. 4 (2002), via BioOne website, Nov. 17, 2003:p. 830 (The Nimravidae are a group of 5-80 kg, catlike hypercarnivores from the late Eocene to late Miocene of Eurasia and North America. Extremely rare Miocene nimravid fossils from North Africa record the only invasion of the southern continents by these carnivorans. Nimravids consist of a clade of late Eocene to Oligocene genera (Dinictis, Pogonodon, Hoplophoneus, Eusmilus, Nimravus, Dinaelurus), forming the monophyletic Nimravinae of Bryant (1996), and the early to late Miocene Barbourofelinae.)
Wikipedia description:
Nimravidae is an extinct family of carnivorans, sometimes known as false saber-toothed cats, whose fossils are found in North America, Africa, and Eurasia. Nimravids were the first lineage of carnivorans to evolve large body sizes and specialized into hunting large bodied prey. Not considered to belong to the true cats (family Felidae), the nimravids are generally considered closely related and classified as a distinct family in the suborder Feliformia. The family consisted of three subfamilies hoplophonines, nimravines, and barbourofelines. Barboroufelines were initially classified as a subfamily of the Nimravidae since 1991, however in 2004, they were reassigned to their own distinct family. Since 2020, the majority of experts consider barbourofelines as nimravids again. Nimravids first appeared in the Middle Eocene in Asia, with Maofelis being the most plesiomorphic taxa. The family went extinct around 7 Ma.
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