Sentences with phrase «crested hadrosaurs»
Not exact matches
Hadrosaurs are usually identified by bony crests that extended from the skull, although Edmontosaurus doesn't have such a hard crest (paleontologists have discovered that it had a fleshy crest).
https://www.sciencedaily.com/
Most of the tracks, made somewhere between 69 million and 72 million years ago, were left by hadrosaurs, commonly known as duck - billed dinosaurs (the crested creatures in this artist's representation).