How To Use Theropod dinosaur In A Sentence
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They do still have two skeletons of Tarbosaurus, a theropod dinosaur related to Tyrannosaurus rex.
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Birds, close cousins of pterodactyls, are believed to have evolved from theropod dinosaurs about 150 million years ago.
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When I was a kid growing up, my books on dinosaurs, when describing the Triassic period, featured drawings and descriptions of small bipedal thecodonts, looking like miniature theropod dinosaurs.
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These great birds were the last successors of the mighty theropod dinosaurs of the Mesozoic.
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The consequence of these amazing fossil finds has been a simultaneous redefinition of what it means to be a bird and a reconsideration of the biology and life history of the theropod dinosaurs.
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His work provided strong, compelling support for the theory that birds are theropod dinosaurs.
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Andrew: pneumaticity expert Matt Wedel and I are due to work together some time in 2007 on the skeletal and soft-tissue pneumaticity in sauropod and theropod dinosaurs, so I will certainly be blogging about this subject in the near future.
Happy Christmas, from gigantic Spanish sauropods... or, alas, poor ‘Angloposeidon’
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It is absolutely wrong to argue – as some workers have – that the ‘trees down’ theory is at odds with the very robust and well supported body of evidence showing that birds are theropod dinosaurs, given that basal birds, and the theropods closest to birds, were apparently small-bodied proficient tree climbers, and not big cursorial Deinonychus-like predators as some would have it.
Literally, flying lemurs (and not dermopterans)
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In the Mesozoic top predators included the biggest theropod dinosaurs on land, and pliosaurs and mosasaurs in the seas.
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The evidence of nesting and parental care in ornithischian, sauropod, and theropod dinosaurs is extensive.
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Ornithosuchus itself was originally considered a ‘pseudosuchian thecodont,’ then reclassified as an early theropod dinosaur, then later as a dinosaur uncle, and is now considered to be a side-branch on the line to crocodiles.
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Several characters that typify a theropod: Hollow, thin-walled bones are diagnostic of theropod dinosaurs.
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It may well be that they followed a different evolutive path before the appearance of theropod dinosaurs because by the time theropod dinosaurs had feathers and some even flew, true birds were already present.
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Ornithomimids were a distinctive group of theropod dinosaurs who show a good example of convergent evolution with the ratite birds, such as ostriches.
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Theropod dinosaurs are seen to exhibit too many terrestrial and cursorial adaptations to be avian precursors.
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This clear-cut distinction was upset in the 1960s and 70s by the discovery of unusual medium-sized theropod dinosaurs such as Deinonychus.
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Vertebrate animals (mammals, birds, theropod dinosaurs) develop larger brains then their earlier reptilian ancestors.
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Theropod dinosaurs did not share this feature.
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Paleontologists believe the meat-eating theropod dinosaur was light, agile and very fleet of foot,[Sentence dictionary] with three large slashing claws on each hand.
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Birds arose from theropod dinosaurs at some point in the Jurassic, according to present knowledge.
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Because feathers are a unique feature, they are thought to be characteristic of many theropod dinosaurs, including tyrannosaurs.
