Ankylosaurus - Quiz
Ankylosaurus
  • 1. How did Ankylosaurus defend itself from predators?
A) By flying away
B) By running away quickly
C) With its thick bony plates and tail club
D) By hiding in trees
  • 2. Ankylosaurus was primarily a:
A) Herbivore
B) Scavenger
C) Omnivore
D) Carnivore
  • 3. Ankylosaurus belonged to which group of dinosaurs?
A) Theropods
B) Sauropods
C) Raptors
D) Ankylosaurids
  • 4. What type of locomotion did Ankylosaurus have?
A) Bipedal
B) Quadrupedal
C) Swimming
D) Flying
  • 5. Ankylosaurus was discovered in what modern-day country?
A) China
B) Australia
C) Argentina
D) United States
  • 6. The heavily armored tail of Ankylosaurus helped to protect it from:
A) Predators
B) Weather
C) Sunlight
D) Noise
  • 7. Ankylosaurus likely lived in:
A) Isolation
B) Herds
C) Underwater
D) Pairs
  • 8. Ankylosaurus had a clubbed tail with knobs made of:
A) Bone
B) Metal
C) Wood
D) Feathers
  • 9. Who discovered the type specimen of Ankylosaurus magniventris?
A) Charles M. Sternberg
B) Henry Fairfield Osborn
C) Walter P. Coombs
D) Barnum Brown
  • 10. In which geological formation was the type specimen of Ankylosaurus magniventris found?
A) Hell Creek Formation, near Gilbert Creek, Montana
B) Scollard Formation by the Red Deer River in Alberta, Canada
C) Lance Formation of Wyoming
D) Frenchman Formation
  • 11. What does the generic name 'Ankylosaurus' mean?
A) "Fused" or "bent lizard"
B) Armored lizard
C) Clubbed lizard
D) Great belly lizard
  • 12. Which formation did Barnum Brown discover 77 osteoderms while excavating a Tyrannosaurus specimen?
A) Scollard Formation, Alberta
B) Frenchman Formation
C) Hell Creek Formation, Montana
D) Lance Formation of Wyoming
  • 13. Which paleontologist criticized Brown's skeletal reconstruction as being based on too few remains?
A) Charles M. Sternberg
B) Henry Fairfield Osborn
C) Samuel Wendell Williston
D) Walter P. Coombs
  • 14. In which year did Barnum Brown describe Ankylosaurus magniventris?
A) 1947
B) 1908
C) 1910
D) 1906
  • 15. Which dinosaur lived alongside Ankylosaurus in its environment?
A) Tyrannosaurus
B) Stegosaurus
C) Allosaurus
D) Ceratosaurus
  • 16. What did Walter P. Coombs suggest about the teeth of two skulls assigned to A. magniventris?
A) They differed from those of the holotype specimen in some details
B) They belonged to a different species altogether
C) They were identical to those of the holotype specimen
D) They were not real teeth but fossilized plant material
  • 17. What did Ankylosaurus's broad muzzle indicate about its diet?
A) It was an insectivore
B) It was a non-selective browser
C) It was a carnivore
D) It was a selective predator
  • 18. Which dinosaur's range did not overlap with Ankylosaurus, despite living alongside it?
A) Denversaurus
B) Triceratops
C) Edmontosaurus
D) Tyrannosaurus
  • 19. What was the significance of the osteoderms found by Brown in 1900?
A) They belonged to a new species of dinosaur
B) They were identified as belonging to Stegopelta
C) They were determined to be from a mammal
D) They were later shown to be similar to those of Ankylosaurus
  • 20. What did Kenneth Carpenter conclude about the teeth of Ankylosaurus in 2004?
A) The teeth were too degraded for analysis
B) The teeth did not belong to Ankylosaurus
C) The teeth were from different species
D) All the specimens belonged to the same species, despite variations
  • 21. What was unique about the forelimbs in Brown's 1908 reconstruction of Ankylosaurus?
A) They were depicted as very slender and delicate
B) They were not included in the reconstruction
C) They were shown as robust, unlike modern depictions
D) They were shown as having feathers
  • 22. Which specimen was estimated by Carpenter in 2004 to be about 6.25 meters long?
A) AMNH 5214
B) A specimen estimated by Arbour and Mallon in 2017
C) CMN 8880
D) A specimen with a skull length of 55.5 cm
  • 23. What was the weight estimate for AMNH 5214 given by Benson and colleagues in 2014?
A) 6.25 m (20 ft 6 in) long
B) 4.78 t (5.27 short tons)
C) 9.99 m (32 ft 9+1⁄2 in)
D) 7.95 t (8.76 short tons)
  • 24. What is the term for the scale-like cranial ornamentation on Ankylosaurus skulls?
A) Sutures
B) Osteoderms
C) Caputegulae
D) Horns
  • 25. How many dental alveoli were there in the maxilla of specimen AMNH 5214?
A) 71 total
B) 34–35
C) 36 in the right dentary bone
D) 20 centimeters long tooth rows
  • 26. How many toes did the hindfeet of Ankylosaurus probably have?
A) Three toes.
B) Five toes.
C) Four toes.
D) Two toes.
  • 27. What type of trees predominantly made up the forests where Ankylosaurus lived?
A) Bamboo
B) Cacti
C) Small trees
D) Tall sequoias
  • 28. What type of diet did the nodosaur likely have compared to Ankylosaurus?
A) Less selective
B) Insectivorous
C) Carnivorous
D) More selective
  • 29. In what year did Osborn coin the name Ankylosauria?
A) 1915
B) 1923
C) 1908
D) 1930
  • 30. What shape did the cervical half-rings of Ankylosaurus form according to Carpenter's suggestion?
A) Inverted V-shape across the neck.
B) Circular rings around the neck.
C) Linear plates along the spine.
D) No specific shape was suggested.
  • 31. Which artist depicted Edmontonia with an Ankylosaurus-like tail club in a 1930 mural?
A) Arbour and Mallon
B) Rudolph Zallinger
C) Charles R. Knight
D) Carpenter
  • 32. What posture do many traditional depictions show Ankylosaurus in?
A) Squatting
B) Crouching
C) Running
D) Standing upright
  • 33. What did Carpenter argue against regarding the function of ankylosaur nasal passages?
A) Adaptation to hearing low frequencies
B) A heat and water balancing system
C) That tetrapod animals make sounds through the larynx, not the nostrils
D) The presence of a nasal gland
  • 34. In which franchise is Ankylosaurus depicted as attacking with its tail?
A) Dinosaur King
B) Ice Age
C) Land Before Time
D) Jurassic Park
  • 35. What type of vertebrae had ossified tendons that overlapped some of the vertebrae?
A) Ribs.
B) Centra.
C) Neural spines.
D) Femurs.
  • 36. What suborder did Brown initially classify ankylosaurids under due to their fragmentary remains?
A) Stegosauria
B) Ornithischia
C) Thyreophora
D) Sauropodomorpha
  • 37. During which geological age did Thyreophora first appear?
A) Jurassic
B) Triassic
C) Cambrian
D) Sinemurian
  • 38. What did the study of dental occlusion in ankylosaur specimens reveal?
A) Backwards jaw movement evolved independently.
B) Jaw movement was limited to up and down.
C) No jaw movement occurred.
D) Sideways jaw movement was universal.
  • 39. What type of jaw movement evolved independently in different ankylosaur lineages?
A) Rotational jaw movement
B) Backwards (palinal) jaw movement
C) Upward jaw movement
D) Sideways jaw movement
  • 40. Which artist's mural from 1947 depicted Ankylosaurus with a tail club?
A) Charles R. Knight
B) Carpenter
C) Rudolph Zallinger
D) Arbour and Mallon
  • 41. Ankylosaurus is considered part of which subfamily?
A) Stegosaurinae
B) Polacanthinae
C) Nodosaurinae
D) Ankylosaurinae
  • 42. What shape did Ankylosaurus' tail club have when seen from above?
A) Triangular.
B) Circular.
C) Semicircular.
D) Pointed.
  • 43. In which year did Carpenter note that Ankylosaurus became the archetypal member of its group?
A) 2017
B) 2004
C) 1910
D) 1964
  • 44. What type of environment did the formations where Ankylosaurus fossils were found represent?
A) Desert environments
B) Swampy areas
C) Mountainous regions
D) Floodplain environments
  • 45. Which dinosaur mentioned in the text is known for its dome-shaped skull?
A) Edmontosaurus
B) Triceratops
C) Pachycephalosaurus
D) Ankylosaurus
  • 46. In what year was the first discovery of Ankylosaurus's tail club made?
A) 1910
B) 2004
C) 1947
D) 1964
  • 47. What did the broadness of Ankylosaurus' ribcage suggest about its digestion?
A) Facilitated foregut fermentation
B) Facilitated hindgut fermentation
C) Prevented fermentation
D) Required frequent chewing
  • 48. What type of diet is Ankylosaurus believed to have had?
A) Carnivorous
B) Omnivorous
C) Insectivorous
D) Herbivorous
  • 49. Which other ankylosaur is mentioned as being found in the same formations as Ankylosaurus?
A) Nodocephalosaurus
B) Edmontonia sp.
C) Euoplocephalus
D) Pinacosaurus
  • 50. What is suggested by the widely separated nostrils of Ankylosaurus?
A) Reduced sense of smell
B) Unidirectional airflow
C) Possible stereo-olfaction
D) Enhanced vision
  • 51. Which types of plants were primarily supported in the Hell Creek Formation?
A) Algae
B) Mosses
C) Angiosperms
D) Gymnosperms
  • 52. Which dinosaur shared its environment with Ankylosaurus and was a ceratopsid?
A) Allosaurus
B) Velociraptor
C) Stegosaurus
D) Triceratops
  • 53. What did the small, cusp-like teeth and shape of Ankylosaurus' beak suggest?
A) Adaptation for crushing bones
B) Adaptation for eating meat
C) Adaptation for digging
D) Adaptation for eating fruit
  • 54. During which geological stage did Ankylosaurus exist?
A) Jurassic
B) Paleogene
C) Triassic
D) Maastrichtian
  • 55. What was the estimated weight of CMN 8880 by Arbour and Mallon?
A) 9.99 m long
B) 6.25 m long
C) Tentatively 7.95 t (8.76 short tons)
D) 4.78 t (5.27 short tons)
  • 56. What type of fermentation is suggested to have helped Ankylosaurus digest food?
A) Hindgut fermentation
B) Foregut fermentation
C) Rumen fermentation
D) Microbial fermentation
  • 57. What did Arbour and Mallon suggest as the length of large Ankylosaurus instead of nearly 10 meters?
A) 6.25 m
B) 5.4 m
C) 8 m (26 ft)
D) 7.56 to 9.99 m
  • 58. Where was a life-sized reconstruction of Ankylosaurus featured in 1964?
A) San Diego Zoo
B) Chicago Field Museum
C) New York City World's Fair
D) Los Angeles Museum of Natural History
  • 59. Which clade includes both Ankylosauria and Stegosauria?
A) Thyreophora
B) Cerapoda
C) Sauropodomorpha
D) Ornithischia
  • 60. Who proposed that the complex sinuses and nasal cavities of ankylosaurs may have lightened the weight of the skull?
A) Tetsuto Miyashita
B) Charles Darwin
C) Carpenter
D) Paleontologist Teresa Maryańska
  • 61. How long did the Thyreophora survive before disappearing in the Maastrichtian?
A) 150 million years
B) 135 million years
C) 200 million years
D) 100 million years
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