| 单词 | ornithischian |
| 例句 | This is referred to as the “reptile hipped” saurischians and the “bird-hipped” ornithischians. An Introduction to Geology 2017-01-01T00:00:00Z Further research — and many more fossil samples — will be necessary to take the temperature of all the limbs on the ornithischian family tree. Dinosaurs Started Out Hot, Then Some of Them Turned Cold 2022-05-28T04:00:00Z Interestingly, herbivores such as sauropods and ornithischian dinosaurs are rare. Scientists discover three new species of pterosaurs in the Sahara 2020-03-28T04:00:00Z These animals left 1 and ½-inch footprints with three toes, and were small quadrupedal herbivores that belonged to the ornithischian clade of dinosaurs, a group that includes much bigger superstars like Stegosaurus and Triceratops. When Dinosaurs Left Tracks in a Land Consumed by Lava and Fire 2020-01-29T05:00:00Z Modifications from that basic setup - perhaps kept conservative in ornithischian dinosaurs and highly modified with air sac systems in saurischians - allowed for the respiratory diversity that paleontologists are now assessing and studying. Dinosaurs Had Bird-Like Lungs 2018-10-28T04:00:00Z Among dinosaurs, the pubic bone shifted to a backwards-pointing position four times among maniraptoran dinosaurs - the group that contains favorites like Velociraptor as well as birds - and once among ornithischians. The Secret to Dinosaur Hip Shape 2018-10-20T04:00:00Z The team’s findings around another group of dinosaurs — the diverse superfamily of herbivores called ornithischians — were more surprising still. Dinosaurs Started Out Hot, Then Some of Them Turned Cold 2022-05-28T04:00:00Z The vertebrae don’t look like those of herrerasaurids – an archaic line of carnivorous dinosaurs present in Petrified Forest – and no one has found any definitive evidence of Triassic ornithischian dinosaurs. Where Are Utah's Triassic Dinosaurs? 2018-01-07T05:00:00Z Well-known ornithischians include Triceratops and the three-tonne Stegosaurus, which boasted large armoured plates along its spine and a brain the size of a walnut. 'Most bizarre dinosaur ever found' is missing evolutionary link – study 2017-08-16T04:00:00Z But a reassessment by Mr Baron published in March in the journal Nature indicated that ornithischians were more closely related to the meat-eaters, such as T.rex, than previously thought. 'Frankenstein dinosaur' mystery solved - BBC News 2017-08-15T04:00:00Z If the orientation of the pubic bones really was constrained by the way dinosaurs breathed, then how and why did the earliest ornithischian dinosaurs shift away from the ancestral condition? The Secret to Dinosaur Hip Shape 2018-10-20T04:00:00Z Unlike Novas, they report today in Biology Letters, they conclude that Chilesaurus was probably a primitive ornithischian. Scientists struggle to fit this strange vegetarian dinosaur into the family tree 2017-08-15T04:00:00Z In an article published here back in November 2016, I discussed the very weird and highly elaborate nasal region of the ceratopsids – the group of ornithischian dinosaurs that includes Triceratops. The Supracranial Sinus of the Horned Dinosaur Skull 2017-07-22T04:00:00Z The new findings support the idea that theropods and ornithischians shared a common ancestor as early as 225m years ago. 'Most bizarre dinosaur ever found' is missing evolutionary link – study 2017-08-16T04:00:00Z In the currently accepted family tree, the ornithischian group was always thought to be completely unrelated to all of the other dinosaurs. 'Frankenstein dinosaur' mystery solved - BBC News 2017-08-15T04:00:00Z But few fossils of ornithischians date to the Triassic, the earliest era of the dinosaurs. T. rex gets new home in shakeup of dino family tree 2017-03-22T04:00:00Z The theropodlike features, they suggest, actually lend support to their original hypothesis: that theropods and ornithischians are more closely related than previously thought. Scientists struggle to fit this strange vegetarian dinosaur into the family tree 2017-08-15T04:00:00Z Both 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. Dinosaur babies took a long time to break out of their shells 2017-01-02T05:00:00Z Although, interestingly, recent research does suggest the common ancestor of dinosaurs was not feathered and the ‘feathery’ coating seen in ornithischian dinosaurs arose independently from the feathers of theropods. Jurassic World and The Cinematic Science of Dinosaurs 2015-06-08T04:00:00Z The finding provides fresh insight on the evolution of the group of dinos known as the ornithischians. 'Frankenstein dinosaur' mystery solved - BBC News 2017-08-15T04:00:00Z Godefroit and his colleagues found hundreds of skeletons of the same species, from a lineage of plant-eating dinosaurs known as ornithischians, which lived about 160 million years ago during the middle to late Jurassic period. Most Dinosaurs May Have Sported Birdlike Feathers 2014-07-24T04:00:00Z The latest discovery, in Russia, is from a completely separate group of plant-eating dinosaurs called ornithischians - which account for half of all dinosaurs. 'Fluffy' dinosaurs were widespread 2014-07-24T04:00:00Z Did similar evolutionary pressures drive the evolution of hornbill, cassowary and ornithischian casques and crests? The Splendid and Remarkable Anatomy of Hornbills 2014-04-22T12:30:38Z Obviously we have so many feathery theropods now they’ve even been described as mundane, plus now there are even filamentous structures on ornithischians. Speculative Zoologists Imagine Beasts of the Future 2014-04-04T11:06:16Z The EBP for ornithischians and sauropodomorphs, for example, shows that cheeks** must be assumed absent, yet various lines of evidence indicate that such structures were likely present in these animals. Junk in the trunk: why sauropod dinosaurs did not possess trunks (redux, 2012) 2012-11-20T14:15:00.200Z Ward and Berner suggest that dinosaur diversity may have increased in step with rising oxygen levels and that apneumatic ornithischians required these higher levels in order to flourish. Dyke & Kaiser s Living Dinosaurs: the Evolutionary History of Modern Birds 2012-08-27T00:45:02.620Z Horns, hornlets, bosses, twin ridges and other structures decorate the skulls of various ornithischians and Mesozoic theropods, various pterosaurs possess sail-like crests, there are the thick skull domes of pachycephalosaurs, and so on. Did dinosaurs and pterosaurs practise mutual sexual selection? 2012-01-05T15:45:07.957Z There are few doubts about the identity of the known early ornithischian dinosaurs, because their bones and teeth are so distinctive. Move over Eoraptor: Dinosaur is recast as plant-eater 2011-01-14T00:45:00.463Z Because Herrerasaurus was found near some early sauropods and ornithischians, the new finding strongly suggests that all three main lineages diverged early on. Observatory: Bones Show Early Divergence of Dinosaur Lineage 2009-12-15T19:58:00Z |
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