Assertion: dinosaur | /r/HasAspect | close common ancestor
Facets:
value: very
type: DEGREE
value: in the distant past
type: TEMPORAL
Source sentences:
text: Early on it was recognized that, as a group, dinosaurs appear to be most closely allied to crocodilians, though T.H. Huxley had proposed in the 1860s that dinosaurs and birds must have had a very close common ancestor in the distant past.