Eric Walker added Therapsid - Wikipedia to Mammalia, Therapsida and Mammaliaformes

Eric Walker added Neotherapsida to Eutherapsida, and added Eutherapsida to Therapsida

Eric Walker added Therapsida to Sphenacodontoidea, and added Sphenacodontoidea to Sphenacodontia

Eric Walker added Dicynodontia and Eutherapsida and Therapsid - Wikipedia to Therapsida, and added Therapsida to Sphenacodontoidea

Eric Walker added Lystrosauridae to Dicynodontia, and added Dicynodontia to Therapsida