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
Animals (Scientific Procedures) Act 1986 and replaced by EU Directive 2010/63/EU In 2002, a Government select committee inquiry described the Act as the "...tightest system of regulation in the world" in relation to the regulation of using animals for research. Prior to ASPA, the use of animals in the UK was regulated by the Cruelty to Animals Act 1876, which enforced a licensing and inspection system for vivisection. Animal cruelty was previously regulated by the Protection of Animals Act 1911 (now largely repealed) and more recently by the Animal Welfare Act 2006, both of which outlaw the causing of "unnecessary suffering". Specific exemptions apply to