GLY1102 Topic 24, GLY1102 Topic 25, GLY1102 Topic 26

question

False
answer

Stegosaurus has never been found buried in the same deposit as Allosaurus.
question

True
answer

The pairs of terminal tail spines and the pointed parascapular spines in other stegosaurus seem to have been the main means of defense.
question

True
answer

Scutellosaurus is considered a primitive thyreophoran partially because it has a large number of keeled osteoscutes.
question

True
answer

Stegosaurus had osteoderms/osteocutes covering portions of its neck.
question

True
answer

Kentrosaurus has a large hollow in two sacral vertebrae that has been mistakenly interpreted as the location of a second brain.
question

Scutellosaurus
answer

Which of the following is considered to represent the base of the thyreophoran family tree?
question

True
answer

The Thyreophora is a clade of ornithischian dinosaurs.
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Stegosauria
answer

The ____ have one or more rows of armored plates (or osteoscutes) set in the skin above or along the vertebral column and a post-orbital process of the jugal bone expanded transversely.
question

False
answer

The Stegosauria have been found only in North America.
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Kentrosaurus
answer

The only Stegosaur to have remains indicating some herding behavior is ____.
question

False
answer

The osteoscutes of stegosaurus were attached directly to the skeleton fixing them rigidly in place.
question

It has a high skull
answer

Which statement about Stegosaurus is false?
question

Huayangosaurus
answer

This Asian stegosaur is the type of genus of the family bearing its name and has a spike-shaped armor along the body midline and rows of armor plates along each side of the spike row.
question

False
answer

The plates of Stegosaurus are aligned in a single row along the midline.
question

False
answer

Stegosaurs first appeared during Late Jurassic.
question

False
answer

None of the Stegosauridae family have plate-like osteoderms across the back, sacrum, and tail.
question

Scutellosaurus
answer

Which of these Stegosauria is the smallest?
question

False
answer

Huayangosaurus had osteoscutes that were embedded in the skin, forming rows from the head to the tail, arranged primarily on the upper flanks.
question

True
answer

Scutellosaurus and Scelidosaurus are primitive thyreophora from the Lower Jurassic possessing parallel rows of keeled dermal armor scutes along the back surface of the body.
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The stegosaurs
answer

Which of the following groups represented the fewest number of species?
question

False
answer

Mymoorapelta resembles a comination between an Ankylosaurus and Nodosaurus.
question

True
answer

Most ankylosaurus weighed 3000 to 4000 kg.
question

True
answer

Polacanthids are medium to large (e.g. Gastonia), and occurred primarily in the Upper Jurassic and Lower Cretaceous of Europe and North America.
question

False
answer

Ankylosaurs were small-to-relatively large, bipedal, carnivorous, ornithischian dinosaurs.
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They have a tail club, fused sacral armor covers the hips.
answer

Which of the following about the Polacanthidae is false?
question

False
answer

Only the fenestrae and ankylosaurs were unarmored.
question

True
answer

The oldest ankylosaurs come from the Middle Jurassic and survived to the end fo the Cretaceous.
question

True
answer

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.
question

True
answer

Ankylosaurus were quadrupeds with a lowly held head, indicating that they were low browsers.
question

True
answer

Panoplosaurus lacks tall spines as part of its armor but has a relatively wide skull.
question

False
answer

Ankylosaurs have batteries of teeth that form large rasping surfaces.
question

True
answer

Ankylosaurus and Euoplocephalus are members of a North America calde of anklosaurs.
question

False
answer

Panoplosaurus was the first ankylosaur to be described from North America.
question

Nodosauridae
answer

The skulls of this family of ankylosaurs are narrow (pear-shaped form above), longer than the width and lacks horns of the rear corners.
question

True
answer

Ankylosaurids exhibit differences in their beaks, in some the beak is scoop-shaped and relatively narrow but in others the beak is broad.
question

True
answer

The Ankylosauridae, or ankylosaurids, are armored dinosaurs having a large club fo bone on the end of the tail.
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Polacanthidae
answer

Gastonia, the \”walking hedge of thorns,\” is a member of this family of ankylosaurs.
question

False
answer

All the tail vertebrae of the Ankloysaurus tail were fused together stiffening the entire tial.
question

False
answer

Ankylosaurs have a large, armored head and a relatively long, thick neck.
question

True
answer

The differences in the width of an ankylosaurid beaks may be related to differences in the types of foliage and fruit in their diets.
question

True
answer

The Linnaean system of nomenclature provides a uniform language of communication for scientists to refer to the same object or species.
question

True
answer

Dinosaur tracks and trackways demonstrate that dinosaurs were diagonal walkers, meaning there is an angle between the mid-line of travel and successive right and left footprints.
question

False
answer

The term gastrolith refers to fossilized fecal material.
question

True
answer

The initial step in measuring dinosaurs tracks and trackways is to measure the size and shape of individual fore (manus) and hind (pes) footprints and the angles and distances between them.
question

True
answer

Quadruped tracks generally reveal differences in the size and shape of rear and front prints.
question

Tetradactyl
answer

The term ____ refers to those tracks with four digits.
question

True
answer

The largest of the front prints of sauropods are more than a meter long and deep as a bathtub.
question

False
answer

Among the important measurements taken at trackways is the depth of the impression.
question

True
answer

Tracks of stegosaurs are extremely rare which suggests that stegosaurs were probably upland or dryland animals, rarely near wetland areas where tracks are preserved.
question

True
answer

Dinosaur tracks are best preserved in sediment that was moist but not too moist.
question

Antarctica
answer

Dinosaur tracks have been found on all continents, except ______.
question

False
answer

Quadruped tracks are the most common type of dinosaur tracks, suggesting that most dinosaurs walked on four legs.
question

Dinosaur stomping grounds
answer

In some places bedding planes are completely covered with dinosaur tracks. They most often seem to occur around watering holes but may also be developed along migratory paths. These types of track occurrences are called ______.
question

True
answer

Theropod tracks generally have relatively long and narrow digit impressions, each digit ending with sharp, slender claw marks.
question

False
answer

Coprolites are trace fossils representing stones that were swallowed to assist in the digestion of food.
question

True
answer

Dinosaurs did not drag their tail or belly, indicating they walked upright with their limbs directly (or nearly so) under their body.
question

False
answer

The heel of tridactyl theropod tracks is more rounded than the hell of tridactyl hadrosaurs tracks.
question

Trackway
answer

More than one consecutive dinosaur track is a ______.
question

5
answer

The term \”pentadactyl\” refers to a foot or hand with how many digits?
question

False
answer

The stride refers to the distance between successive steps, for example, the distance between the step of your right foot and your next step of the left foot.

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