Assertion: modern bird | /r/CapableOf | evolve in the middle
Facets:
value: to late cretaceous
type: TEMPORAL
value: according to dna evidence
type: OTHER
Source sentences:
text: According to DNA evidence, modern birds (Neornithes) evolved in the Middle to Late Cretaceous, and diversified dramatically around the time of the Cretaceous–Paleogene extinction event 66 mya, which killed off the pterosaurs and all non-avian dinosaurs.