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单词 pachycephalosaur
释义

pachycephalosaur

/ˌpakɪˈsɛfələsɔː / /ˌpakɪˈkɛfələsɔː/
noun
A bipedal herbivorous dinosaur of the late Cretaceous period, with a thick domed skull.
  • Infraorder Pachycephalosauria, order Ornithischia: several genera, including Pachycephalosaurus.
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.

Origin

From Greek pakhus 'thick' + kephalē 'head' + sauros 'lizard'.

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更新时间:2024/12/24 2:56:25