question

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

answer

False

question

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

answer

True

question

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

answer

True

question

Stegosaurus had osteoderms/osteocutes covering portions of its neck.

answer

True

question

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

answer

True

question

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

answer

Scutellosaurus

question

The Thyreophora is a clade of ornithischian dinosaurs.

answer

True

question

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.

answer

Stegosauria

question

The Stegosauria have been found only in North America.

answer

False

question

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

answer

Kentrosaurus

question

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

answer

False

question

Which statement about Stegosaurus is false?

answer

It has a high skull

question

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.

answer

Huayangosaurus

question

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

answer

False

question

Stegosaurs first appeared during Late Jurassic.

answer

False

question

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

answer

False

question

Which of these Stegosauria is the smallest?

answer

Scutellosaurus

question

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

answer

False

question

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.

answer

True

question

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

answer

The stegosaurs

question

Mymoorapelta resembles a comination between an Ankylosaurus and Nodosaurus.

answer

False

question

Most ankylosaurus weighed 3000 to 4000 kg.

answer

True

question

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

answer

True

question

Ankylosaurs were small-to-relatively large, bipedal, carnivorous, ornithischian dinosaurs.

answer

False

question

Which of the following about the Polacanthidae is false?

answer

They have a tail club, fused sacral armor covers the hips.

question

Only the fenestrae and ankylosaurs were unarmored.

answer

False

question

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

answer

True

question

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.

answer

True

question

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

answer

True

question

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

answer

True

question

Ankylosaurs have batteries of teeth that form large rasping surfaces.

answer

False

question

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

answer

True

question

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

answer

False

question

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

answer

Nodosauridae

question

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

answer

True

question

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

answer

True

question

Gastonia, the "walking hedge of thorns," is a member of this family of ankylosaurs.

answer

Polacanthidae

question

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

answer

False

question

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

answer

False

question

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

answer

True

question

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

answer

True

question

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.

answer

True

question

The term gastrolith refers to fossilized fecal material.

answer

False

question

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.

answer

True

question

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

answer

True

question

The term ____ refers to those tracks with four digits.

answer

Tetradactyl

question

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

answer

True

question

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

answer

False

question

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

answer

True

question

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

answer

True

question

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

answer

Antarctica

question

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

answer

False

question

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 ______.

answer

Dinosaur stomping grounds

question

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

answer

True

question

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

answer

False

question

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

answer

True

question

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

answer

False

question

More than one consecutive dinosaur track is a ______.

answer

Trackway

question

The term "pentadactyl" refers to a foot or hand with how many digits?

answer

5

question

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.

answer

False

GLY1102 Topic 24, GLY1102 Topic 25, GLY1102 Topic 26

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