| 单词 | ornithischian dinosaur |
| 释义 | ornithischian dinosaur (extremely rare) n WORD FAMILY ornithischian dinosaur n herbivorous dinosaur with a pelvis like that of a bird Syn|Hypo|Hyper ornithischian pisanosaur, pisanosaurus primitive dinosaur found in Argentina staurikosaur, staurikosaurusprimitive dinosaur found in Brazil armored dinosaurdinosaurs having bony armour bone-headed dinosaurbipedal herbivorous dinosaurs with bony crowns ceratopsian, horned dinosaurany of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia ornithopod, ornithopod dinosaurbipedal herbivorous dinosaur duck-billed dinosaur, hadrosaur, hadrosaurusany of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic Stegosaur stenops, stegosaur, stegosaurusherbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon ankylosaur, ankylosaurushaving the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's pachycephalosaur, pachycephalosaurusbipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found protoceratopssmall horned dinosaur triceratopshuge ceratopsian dinosaur having three horns and the neck heavily armored with a very solid frill styracosaur, styracosaurusan unusual ceratopsian dinosaur having many large spikes around the edge of its bony frill and a long nose horn; late Cretaceous psittacosaur, psittacosaurusprimitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal anatotitanone of the largest and most famous duck-billed dinosaurs corythosaur, corythosaurusduck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet edmontosaurusduck-billed dinosaur from Canada found as a fossilized mummy with skin trachodon, trachodontlarge duck-billed dinosaur of the Cretaceous period dinosaur any of numerous extinct terrestrial reptiles of the Mesozoic era |
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