Definition of pachycephalosaur in English:
A bipedal herbivorous dinosaur of the late Cretaceous period with a thick domed skull.
- An alternate view, that ceratopsians and pachycephalosaurs diverged from ornithopod dinosaurs in the Late Jurassic, is more consistent with the preserved biostratigraphic evidence.
- The domed skulls of pachycephalosaurs may likewise have been vibrantly colored to indicate sexual maturity, attract a mate, or warn an adversary.
- Marginocephalia consists mainly of the pachycephalosaurs (bone-heads) and the ceratopsians (horned dinosaurs), like Triceratops.
From Greek pakhus 'thick' + kephalē 'head' + sauros 'lizard'.
Definition of pachycephalosaur in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia
Most popular in India
Most popular in Pakistan