But in all three skulls, the crest is formed from the same bones and the crest is hollow, which is characteristics of lambeosaur and hadrosaurs.
但在所有三个头骨中，嵴是由相同的骨头形成的，而且嵴是空心的，这是鸭嘴龙和鸭嘴龙的特征。
Lambeosaur
原声例句
阿尔伯塔大学-恐龙古生物学
英语百科
Lambeosaurus
Lambeosaurus (/ˌlæmbioʊˈsɔːrəs/ LAM-bee-o-SAWR-əs; meaning "Lambe's lizard") is a genus of hadrosaurid dinosaur that lived about 75 million years ago, in the Late Cretaceous period (Campanian) of North America. This bipedal/quadrupedal, herbivorous dinosaur is known for its distinctive hollow cranial crest, which in the best-known species resembled a hatchet. Several possible species have been named, from Canada, the United States, and Mexico, but only the two Canadian species are currently recognized as valid.
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