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