Assertion: dinosaur's jaw | /r/MadeOf | many compressed teeth
Facets:
value: tightly
type: MANNER
Source sentences:
text: At the peak of the ornithopod lineage, the hadrosaurs (duck-billed dinosaurs of the Late Cretaceous) featured large dental batteries in both the upper and lower jaws, which consisted of many tightly compressed teeth that formed a long crushing or grinding surface.