Felidae Oligocene, about 25 million years ago, with the appearance of "Proailurus" and "Pseudaelurus". The latter species complex was ancestral to two main lines of felids, the cats in the extant subfamilies and a third major group of extinct cats, which are assigned to the subfamily Machairodontinae. The machairodonts included the saber-toothed cats such as the "Smilodon". The "false sabre toothed cats", the Barbourofelidae and Nimravidae, are not true cats, but are closely related and together with Felidae and other cat-like carnivores (hyaenas, viverrids and mongooses) make up the feliform carnivores. Results of mitochondrial analysis indicates that all the Felidae descended
Eurogroup for Animals for Animals was launched becoming the first coalition of animal welfare groups in Europe. It is also one of the longest established non-governmental organisations in Brussels. Over the years Eurogroup for Animals has grown to represent animal welfare organisations in nearly all countries of the European Union. It seized on the European Union’s expansion into central and east Europe to support animal welfare organisations there. International organisations such as International Fund for Animal Welfare, Compassion in World Farming and World Animal Protection are now also members of Eurogroup for Animals. Eurogroup for Animals Eurogroup for Animals is an organisation based