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[From New Latin Pachycephalosaurus, genus name; see pachycephalosaurus.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pachycephalosaur - bipedal herbivore having 10 inches of bone atop its headpachycephalosaur - bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found
bone-headed dinosaur - bipedal herbivorous dinosaurs with bony crowns
References in periodicals archive ?
Over the last 14 years, over a dozen species have been found in the area, including the duck-billed hadrosaurs, armored ankylosaurs and the dome-headed pachycephalosaurs.
The dinosaurs, known as pachycephalosaurs - meaning "thick-headed lizards", have long puzzled paleontologists who wondered why the heads of these dinosaurs looked to have built-in football helmets.
The plates on Stegosaurus and the fleshy, domed skulls on pachycephalosaurs could certainly have been for recognition, but not the kind of recognition cited in the article comparing it to teen fashion ("Just for Frills?
But new analysis of fossil remains of the beasts, collectively known as pachycephalosaurs (pronounced pak-ee-SEFF-uh-low-sores), shows that head-butting of the kind popularized in lay books on dinosaurs probably would have been suicidal.
Tyrannosaurids are one of many dinosaur groups that exhibited trans-Laurasian (or at least Asian and North American) distributions during the Late Cretaceous; others include ceratopsians, hadrosaurs, and pachycephalosaurs (e.
Consider the plates on Stegosaurus and the domed skulls of pachycephalosaurs.