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The earliest dinosaurs were almost certainly predators, and shared several predatory features with their nearest non-dinosaur relatives like Lagosuchus, including: relatively large, curved, blade-like teeth in large, wide-opening jaws that closed like scissors; relatively small abdomens, as carnivores do not require large digestive systems ...
Utahraptor (meaning "Utah's predator") is a genus of large dromaeosaurid (a group of feathered carnivorous theropods) dinosaur that lived during the Early Cretaceous period from around 135 to 130 million years ago in what is now the United States.
While dinosaurs were ancestrally bipedal, many extinct groups included quadrupedal species, and some were able to shift between these stances. Elaborate display structures such as horns or crests are common to all dinosaur groups, and some extinct groups developed skeletal modifications such as bony armor and spines .
A new study shows that fluffy dinosaurs actually existed and roamed the South Pole. Yes, you read that right — Fluffy dinosaurs. For the first time, scientists have found evidence that dinosaurs ...
A study of fossilized feces and vomit attempts to piece together why dinosaurs were so evolutionarily successful. Fossilized poop reveals secrets of how dinosaurs came to dominate Earth Skip to ...
The findings suggest dinosaurs of North Africa were much more diverse than previously thought. “This work shows that it can be worthwhile for paleontologists to dig not only in the ground, but ...
Sauropods were still present, but they were not as diverse as they were in the Jurassic Period. Theropods from the Early Cretaceous of North America include dromaeosaurids such as Deinonychus and Utahraptor, the carnosaur Acrocanthosaurus, and the coelurosaur Microvenator. Sauropods included Astrodon, Brontomerus, and Sauroposeidon.
Eustreptospondylus (/ j uː ˌ s t r ɛ p t oʊ s p ɒ n ˈ d aɪ l ə s / yoo-STREPT-o-spon-DY-ləs; [1] meaning "true Streptospondylus" or "well curved vertebra") is a genus of megalosaurid theropod dinosaur, from the Callovian and Oxfordian stages of the Jurassic period (some time between 166 and 154 million years ago) in southern England, at a time when Europe was a series of scattered ...