One of the dinosaur groups we talk about the most is Maniraptora, the sub-group of theropods (aka ‘predatory dinosaurs’) that includes birds as well as the significantly bird-like dromaeosaurs, troodontids and oviraptors, and the slightly less bird-like therizinosaurs and alvarezsaurs. Excepting birds, all of these groups perished during Cretaceous times.
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