Of course, dimetrodon existed some 50 million years before the earliest dinosaurs in the permian, and gorgosaurus was in the late cretaceous over 200 million years after dimetrodon...but a cool drawing nonetheless.
Of course, dimetrodon existed some 50 million years before the earliest dinosaurs in the permian, and gorgosaurus was in the late cretaceous over 200 million years after dimetrodon...but a cool drawing nonetheless.
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