Your Dinosaurs Are Wrong

Ornithoscelida: How did we get here? (Your Dinosaurs Are Wrong Synapisode #3) (2018x5)

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Part 1 of 2. Why is it such a big deal that Theropods might be more closely related to Ornithischians than either is to Sauropods? A (very) brief history of high-level dinosaur phylogenetics.