The Dimetrodon is a genus of synapsids dinosaurs, appearing as amongst the minor characters in the Fantasia's segment, The Rite of Spring.
Dimetrodon
Beginning of the Reptiles
for Beginning of the Reptiles in Walking with Evolution
Suggested by ltathena
Walking with Evolution is a documentary show about the ancient past about first sea life, the beginning of the reptiles, the great dying, rise and fall of the dinosaurs, and then rise and region of the mammals.
