What are the two major infraorders used to sort dinosaurs based on hip bone structure?

Answer

Saurischia and Ornithischia

Once confirmed as dinosaurs, they are sorted into the two major infraorders based on hip structure: Saurischia (Lizard-Hipped) and Ornithischia (Bird-Hipped).

What are the two major infraorders used to sort dinosaurs based on hip bone structure?

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What Is A Dinosaur And What Isn't a Dinosaur? - YouTube

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