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- noun Plural form of
Sorry, no etymologies found.
Skulls of crested duckbills called lambeosaurs show that their budding cranial crests didn't grow until they entered adulthood, and then only slowly.
This was the era of crested lambeosaurs and the extravagantly horned and frilled styracosaurus.
Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs.