Ero sivun ”Synapsidit” versioiden välillä

|2=''[[Ctenospondylus]]''

|3=''[[Dimetrodon]]'' }} }} }} }} }} }} }} }} }} }} }} }}<ref name="Interrelationships of basal synapsids"/><ref name="A new basal sphenacodontid synapsid from the Late Carboniferous of the Saar−Nahe Basin"/><ref name="Tree of Life Web Project Synapsida"/><ref name="The Fossil Non-mammalian Synapsid Collection at The Field Museum"/><ref name="Autapomorphies of the main clades of synapsids"/>

 

== Lähteet ==