Eric Walker added Eotetrapodiformes - Wikipedia to Eotetrapodiformes

Eric Walker added Stegocephalia and Elpistostegalia - Wikipedia to Elpistostegalia, and added Elpistostegalia to Eotetrapodiformes

Eric Walker added Elpistostegalia and Eotetrapodiformes - Wikipedia to Eotetrapodiformes, and added Eotetrapodiformes to Chordata

Eric Walker added a number of topics and Chordate - Wikipedia to Chordata, and added Chordata to Deuterostome