Felidae the Felidae, later turned out to be members of related, but distinct, families: the "false sabretooths" Nimravidae and Barbourofelidae. As a result, sabretooth "cats" seem to belong to four different lineages. The total number of fossil felids known to science is low compared to other carnivoran families, such as dogs and bears. Felidae radiated quite recently and most of the extant species are relatively young. Felidae The biological family Felidae is a lineage of carnivorans colloquially referred to as cats. A member of this family is also called a felid or feline. The term "cat" refers both to felids in
International scientific vocabulary root before another root or prefix that starts with a vowel, e.g. gastroenteritis; but elision happens in gastrectomy (not gastroectomy). The Greek word τέρας (τέρατο-) = "monster" is usually used to mean "monster (abnormal)" (e.g. teratology, teratogen), but some biological names use it to mean "monster (enormous)" (e.g. the extinct animals "Teratornis" (a condor with a 12-foot wingspan) and "Terataspis" (a trilobite 2 feet long)). International scientific vocabulary International scientific vocabulary (ISV) comprises scientific and specialized words whose language of origin may or may not be certain, but which are in current use in several modern languages (that is, translingually).