Miacoidea is an extinct paraphyletic superfamily that has been traditionally divided into two families of carnivores: Miacidae (the miacids) and Viverravidae. They were primitive carnivores which lived during the Paleocene and Eocene Epoch about 33-65 million years ago. Today, Miacoidea is recognized as a paraphyletic array of stem taxa that probably resulted in some "miacoid" genera ending up just outside the order Carnivora. For this reason, Miacoidea are now grouped together in the crown cl… (More on Miacoidea)