gly 1102 topic 21, GLY1102 Topic 25

The head of Coelophysis is crowned with 2 bony crests that give it its name (2 crest).
false
Dinosaurs inhabited all continents.
true
This theropod has only 2 digits on the manus.
tyrannosaurus
Theropods had the largest brain (relative to body size) among dinosaurs.
true
Allosaurus has a distinctive ridge above and in front of the eyes.
true
Velociraptor had an elongated skull, a flat nose and long, functional arms.
true
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Dromaeosaurs have an enlarged second toe-claw on each foot that it used in making slashing attacks.
true
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).
true
The name “Ceratosauria” means horned lizard.
true
Theropods have solid bones.
false
To John Ostrom, the anatomy of Deinonychus was one of an agile, active and intelligent hunter, and thus he began a reevaluation of the nature of dinosaur behavior and metabolism that continues to today.
true
There is some evidence that raptors were pack hunters.
true
True about theropods
They have hollow bones. Their tail was stiff and acted as a body balance. They have claws on all fingers and toes. Their teeth (most of them) were generally sharp, large, serrated, and recurved.
Tyrannosaurus evolved only a few million years before the extinction of the dinosaurs.
true
Carcharodontosaurus has extremely long neural spines along the top of the vertebrate of the back, hips, and tail.
false
Tetanurae were the most primitive theropods.
false
Dromaeosaurs or raptors diversified during this period.
Cretaceous
The signiture characteristic of (blank) is that it has extremely long neural spines (43 cm, 17 inches) along the top of the vertebrate of the back, hips, and tail.
Acrocanthosaurus
Ornithomimosaurus had not teeth and is known as the “bird mimic lizard.”
true
The Ghost Ranch video was taken in the quarry where this dinosaur is found.
Coelophysis
Mymoorapelta resembles a comination between an Ankylosaurus and Nodosaurus.
False
Most ankylosaurus weighed 3000 to 4000 kg.
True
Polacanthids are medium to large (e.g. Gastonia), and occurred primarily in the Upper Jurassic and Lower Cretaceous of Europe and North America.
True
Ankylosaurs were small-to-relatively large, bipedal, carnivorous, ornithischian dinosaurs.
False
Which of the following about the Polacanthidae is false?
They have a tail club, fused sacral armor covers the hips.
Only the fenestrae and ankylosaurs were unarmored.
False
The oldest ankylosaurs come from the Middle Jurassic and survived to the end fo the Cretaceous.
True
Nodosaurus is about 5.5 m long and the entire body was covered by bony plates that formed a thick continuous covering over the torso.
True
Ankylosaurus were quadrupeds with a lowly held head, indicating that they were low browsers.
True
Panoplosaurus lacks tall spines as part of its armor but has a relatively wide skull.
True
Ankylosaurs have batteries of teeth that form large rasping surfaces.
False
Ankylosaurus and Euoplocephalus are members of a North America calde of anklosaurs.
True
Panoplosaurus was the first ankylosaur to be described from North America.
False
The skulls of this family of ankylosaurs are narrow (pear-shaped form above), longer than the width and lacks horns of the rear corners.
Nodosauridae
Ankylosaurids exhibit differences in their beaks, in some the beak is scoop-shaped and relatively narrow but in others the beak is broad.
True
The Ankylosauridae, or ankylosaurids, are armored dinosaurs having a large club fo bone on the end of the tail.
True
Gastonia, the “walking hedge of thorns,” is a member of this family of ankylosaurs.
Polacanthidae
All the tail vertebrae of the Ankloysaurus tail were fused together stiffening the entire tial.
False
Ankylosaurs have a large, armored head and a relatively long, thick neck.
False
The differences in the width of an ankylosaurid beaks may be related to differences in the types of foliage and fruit in their diets.
True