Paleocene - Recent | image = Grizzlybears ChrisServheenUSFWS.jpg | image_width = 200px | image_caption = Grizzly bears | regnum = Animalia | phylum = Chordata | classis = Mammalia | ordo = Carnivora | subordo = Caniformia | subordo_authority = Kretzoi, 1943 | subdivision_ranks = Families | subdivision = Amphicyonidae† Canidae Hemicyonidae† Ursidae Ailuridae Enaliarctidae† Odobenidae Otariidae Phocidae Mephitidae Mustelidae Procyonidae }} Caniformia, or Canoidea (literally "dog-… (More on Caniformia)