File:Ctenorhachis.jpg

Summary
Life restoration of Ctenorhachis jacksoni. Foreground flora based on Walchia and Culmitzschia.
 * Based on figure 5 of "A new sphenacodontid pelycosaur (Synapsida) from the Wichita Group, Lower Permian of North-Central Texas" by R. W. Hook and N. Hotton, III Journal of Vertebrate Paleontology 11(1):37-44