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Not ALL herbivores found have been bipedal, that's kind of my point: We have found both quadrupedal & bipedal herbivores, but only bipedal therapod carnivores.

Also, as we have seen from human...

First of all, I am only asking this question about true dinosaurs. I am aware of, but not asking about: Pelycosaurs, which lived before the dinosaurs; or Crocodilians, which lived before, with, and...