Eric Walker added Cervinae and Capreolinae and a number of links to Deer, and added Deer to Pecora
Eric Walker added Bovidae and Deer to Pecora, and added Pecora to Artiodactyla
Eric Walker added a number of topics and Why are ungulates classified by toe parity? : askscience to Artiodactyla, and added Artiodactyla to Mammalia