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/ˌnɪmˈreɪvɪd/ · noun
Any of the large extinct feliforms of the family Nimravidae, of the Middle to Late Miocene (40—7 million years ago)..
The earliest nimravids, Dinictis and Hoplophoneus of western North America, were already saber-toothed, with large, serrated, and laterally compressed upper canine teeth and a protective bony flange on the mandible.
Feliformia includes the more catlike carnivorans: nimravids and barbourofelids (the extinct, so-called false sabertooths, though "false" alludes to their relationship to sabertooth felids, because their upper canine teeth were quite large in some forms), felids (true cats), herpestids (mongooses), viverrids (civets), and hyaenids (hyenas), among others.[…]The nimravids survived into the Miocene (Tseng et al., 2010), and some of their members early developed a large size and large canine saber teeth.
The nimravids are not known after the Miocene. Features that distinguish nimravids from felids include the lack of an auditory bulla in most species and the absence of a cruciate sulcus (a conspicuous, deep groove) on the brain.
Use nimravid when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nimravid means Any of the large extinct feliforms of the family Nimravidae, of the Middle to Late Miocene (40—7 million years ago)..
Common synonyms include false sabre-toothed cat.
The opposite depends on the specific sense.
The earliest nimravids, Dinictis and Hoplophoneus of western North America, were already saber-toothed, with large, serrated, and laterally compressed upper canine teeth and a protective bony flange on the mandible.
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