Ví dụ về việc sử dụng Theropods trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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Tetanurae(meaning"stiff tails"; includes most theropods).
Coelophysoidea(small, early theropods; includes Coelophysis and its close relatives).
Crouching is a rarely captured behavior of theropods, and SGDS.18.
Coelurosauria(feathered theropods, with a range of body sizes and niches).
Robins examined the range of motion in the forelimbs of Dilophosaurus and other theropods.
This argument is no longer taken seriously, because theropods replaced their teeth quite rapidly.
They are all types of theropods, a suborder of dinosaur that ranges in size from a T. rex to an Anchiornis.
Additionally, a number of creatures that lived on land that died in this period were pseudosuchia,crocodylomorphs, theropods and several large amphibians.
As in other theropods other than abelisaurids, digit I would have been slightly turned in when flexed.[11].
Dilophosaurus is considered a member of the family Dilophosauridae along with Dracovenator,a group that has been placed between the Coelophysidae and later theropods.
Daemonosaurus is unusual among early theropods in that it had a short skull and long protruding teeth.[1][2].
The theropods attack at night, separating a juvenile from the herd and severely wounding it, only to be driven away by an adult.
The neck of Tyrannosaurus rexformed a natural S-shaped curve like that of other theropods, but was short and muscular to support the massive head.
Tetanurae are defined as all theropods more closely related to modern birds than to Ceratosaurus(e.g. Padian et al., 1999).
This gives heavier validity to the more recent view of tetanurans and ceratosaurs sharing a common ancestor andforming a clade of advanced theropods together.
Tyrannosaurus, and most other theropods, probably primarily processed carcasses with lateral shakes of the head, like crocodilians.
Neotheropoda was first defined as a clade by Paul Sereno in 1998 as Coelophysis plus modern birds,which includes almost all theropods except the most primitive species.[2].
He found Dilophosaurus to be closest to those theropods that were usually placed in the family Halticosauridae, particularly Liliensternus.[2].
Larger adults had leg proportions characteristic of slower-moving animals,but not to the extent seen in other large theropods like abelisaurid or carnosaur.
The femur has traits of early theropods, while the skull resembles much later species of the clade Tetanurae, like China's Sinraptor and Yangchuanosaurus.
This hypothesis may also be supported by the hindlegs of Majungasaurus, which were short and stocky,as opposed to the longer and more slender legs of most other theropods.
While theropods had diversified into several specialized groups by this time, Daemonosaurus is a basal theropod that lies outside the clade Neotheropoda.
After studying the skeletons of North American and European theropods, Welles realized that the dinosaur did not belong to Megalosaurus, and needed a new genus name.
Theropods are often depicted with their palms facing downwards, but studies of their functional anatomy have shown that they, like birds, were unable to pronate or supinate their arms.
And about 230 million years ago some of the earliest dinosaurs emerged on Pangaea,including theropods, largely carnivorous dinosaurs that mostly had air-filled bones and feathers similar to birds.
Nests of small theropods are rare in North America and only those of the dinosaur Troodon have been identified previously,” added Dr Zelenitsky.
While Majungasaurus would nothave moved as fast as other similar-sized theropods, it would have had no trouble keeping up with slow-moving sauropods.
After studying the skeletons of North American theropods, and seeing most of the material in western Europe in 1969, Welles realized that the dinosaur did not belong to Megalosaurus, and needed a new genus name.
Finally, unlike the teeth of Allosaurus and most other theropods, which were curved on both the front and back, abelisaurids like Majungasaurus had teeth curved on the front edge but straighter on the back(cutting) edge.
Unlike earlier tyrannosauroids and most other theropods, the maxillary and mandibular teeth of mature tyrannosaurids are not blade-like but extremely thickened and often circular in cross-section, with some species having reduced serrations.