| 单词 | ornithischian |
| 释义 | ornithischian (once / 1688473 pages) n WORD FAMILY ornithischian: ornithischians USAGE EXAMPLESBoth species in the new paper are so-called ornithischian dinosaurs, one of the two main groups of dinos based on the shapes of their hips. Science Magazine(Jan 02, 2017) More fossils must be found in order to determine if other groups of dinosaurs besides theropods and ornithischians had feathers, the researchers said. Scientific American(Jul 24, 2014) Did similar evolutionary pressures drive the evolution of hornbill, cassowary and ornithischian casques and crests? Scientific American(Apr 22, 2014) n herbivorous dinosaur with a pelvis like that of a bird Syn|Hypo|Hyper ornithischian dinosaur 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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