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