Dinosaurs inhabited all continents
The name “Ceratosauria” means horned lizard
There is some evidence that raptors were pack hunters.
Tyrannosaurus evolved only a few million years prior to the extinction of dinosaurs.
To John Ostrom, the anatomy of Deinonychus was one of an agile, active and intelligent hunter, and thus he began a re-evaluation of the nature of dinosaur behavior and metabolism that continues to today.
This theropod has only two digits on the manus.
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Dromaeosaurus or raptors diversified during this period.
Ornithomimosaurus had no teeth and is known as the “bird mimic lizard”.
Theropods had the largest brain (relative to body size) among dinosaurs.
The Ghost Ranch video was taken at the quarry where this dinosaur was found.
Coelurosaurs have a greater heightening of the ascending process of the astragalus, a splint of bone that originates at the main articulating joint of the astragalus and covering the lower quarter of the shin (tibia).
The signature characteristic of _____________ is that it has extremely long neural spines (43 cm, 17 in) along the top of the vertebrate of the back, hips, and tail.
Velociraptor had an elongated skull, a flat nose and long, functional arms.
The head of Ceolophysis is crowned with two bony crests that give it its name (two-crest).
Which of the following features is true about theropods?
All are true (their teeth were generally sharp, large, serrated, and recurved; they have hollow bones; they have claws on all fingers and toes; their tail was stiff and acted as a body balance)
Allosaurus has a distinctive ridge above and in front of eyes.
Dromaeosaurs have an enlarged second toe-claw on each foot that it used in making slashing attacks.
Tetanurae were the most primitive theropods.
Carcharodontosaurus has extremely long neural spines along the top vertebrate of the back, hips, and tail.
Theropods have solid bones.
This South American country has been the site of the most exciting new large dinosaur finds:
Which of these dinosaurs was not living during the Late Cretaceous?