单词 | pachycephalosaurian |
释义 | pach·y·ceph·a·lo·saur·i·an ![]() n. Any of various herbivorous bipedal ornithischian dinosaurs of the group Pachycephalosauria of the Cretaceous Period, having a very thick skull and a beaked mouth. Also called pachycephalosaur. [From New Latin Pachycephalosauria, group name, from Pachycephalosaurus, type genus; see PACHYCEPHALOSAURUS.] pach′y·ceph′a·lo·sauri·an adj. |
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