![Original version - no sail, mammalian face.](http://cubelight.graphics/sites/default/files/dimetrodon.jpg)
![Reptilian face, half-sail/hump.](http://cubelight.graphics/sites/default/files/dimetrodon2.jpg)
![Reptilian face, full webbed sail.](http://cubelight.graphics/sites/default/files/dimetrodon3.jpg)
![Mammalian face, half-sail/hump.](http://cubelight.graphics/sites/default/files/dimetrodon4.jpg)
![Mammalian face, full webbed sail.](http://cubelight.graphics/sites/default/files/dimetrodon5.jpg)
Day of the Dimetrodon! I posted the top sketch to Twitter after reading a 2012 paper on Dimorphodon sail morphology, and decided after receiving some input on Facebook from some fellow artists to create a few different versions.
graphics & illustration
invisible made visible
Day of the Dimetrodon! I posted the top sketch to Twitter after reading a 2012 paper on Dimorphodon sail morphology, and decided after receiving some input on Facebook from some fellow artists to create a few different versions.