List of North American dinosaurs - Quiz
List of North American dinosaurs
  • 1. What is the primary inclusion criteria regarding the genus for the list of North American dinosaurs?
A) The genus must appear on the List of dinosaur genera.
B) The genus must have complete cranial remains available.
C) The genus must be dated exclusively to the Cretaceous period.
D) The genus must be discovered by a North American paleontologist.
  • 2. What is a secondary inclusion criteria for a dinosaur to be on the North American dinosaur list?
A) The holotype must be housed in a North American museum.
B) The genus must have been named within the last fifty years.
C) The creature must be larger than an average horse.
D) At least one named species of the creature must have been found in North America.
  • 3. What is Agathaumas sylvestris mostly well-known from?
A) A painting by Charles R. Knight.
B) A complete skeletal mount in a Washington museum.
C) A single tooth found in Wyoming.
D) A controversial television documentary.
  • 4. Why cannot Agathaumas sylvestris be confirmed as a synonym of Triceratops?
A) It lacks cranial remains.
B) It is dated to the wrong geological era.
C) The original holotype was destroyed in a fire.
D) It was discovered in Europe instead of North America.
  • 5. Alcovasaurus longispinus was originally named as a species of which dinosaur?
A) Triceratops
B) Allosaurus
C) Stegosaurus
D) Camarasaurus
  • 6. Alcovasaurus longispinus may actually be a species of which otherwise European genus?
A) Dacentrurus
B) Miragaia
C) Gryposaurus
D) Styracosaurus
  • 7. Antrodemus valens may represent the same animal as which other dinosaur?
A) Camarasaurus
B) Stegosaurus
C) Allosaurus
D) Tyrannosaurus
  • 8. Why can the potential synonymy of Antrodemus valens and Allosaurus not be confirmed?
A) The remains consist solely of skin impressions.
B) It was found outside of North America.
C) The fossil was stolen before it could be studied.
D) It is based on undiagnostic remains of uncertain provenance.
  • 9. What was the holotype of Apatodon mirus originally believed to be?
A) A fish spine.
B) The jawbone of a Mesozoic pig.
C) A crocodile tooth.
D) A turtle shell fragment.
  • 10. How has the holotype of Apatodon mirus been reinterpreted?
A) As a pterosaur wing bone.
B) As a marine reptile rib.
C) As a dinosaur vertebra.
D) As an ancient mammal claw.
  • 11. "Beelemodon" is known only from how many teeth found in Wyoming?
A) Ten
B) One
C) Four
D) Two
  • 12. What animal is the official dinosaur of the District of Columbia?
A) "Capitalsaurus"
B) "Beelemodon"
C) "Microcephale"
D) "Orcomimus"
  • 13. "Capitalsaurus" is known from a single vertebra discovered at the intersection of which streets?
A) Fifth and G Streets N.W.
B) Pennsylvania and Independence Avenues
C) First and F Streets S.E.
D) Second and Constitution Avenue
  • 14. What is the name of the court where the Capitalsaurus vertebra was discovered?
A) "Dinosaur Way"
B) "Mesozoic Lane"
C) "Capitalsaurus Court"
D) "Fossil Circle"
  • 15. Cathetosaurus lewisi is usually seen as a species of which dinosaur?
A) Camarasaurus
B) Diplodocus
C) Brachiosaurus
D) Apatosaurus
  • 16. What is Claorhynchus trihedrus described as?
A) A long-necked sauropod
B) An indeterminate cerapod
C) An armored ankylosaur
D) A basal theropod
  • 17. Claorhynchus trihedrus may be a synonym of which well-known genus?
A) Stegosaurus
B) Allosaurus
C) Tyrannosaurus
D) Triceratops
  • 18. Where was "Comanchesaurus kuesi" only named?
A) In a popular dinosaur book
B) In a peer-reviewed scientific journal
C) In a museum catalog
D) In a dissertation
  • 19. Deinodon horridus is only known from what kind of remains?
A) Footprints
B) Skulls
C) Tail vertebrae
D) Teeth
  • 20. The holotype of Deinodon horridus could belong to which genus?
A) Gorgosaurus
B) Tyrannosaurus
C) Velociraptor
D) Allosaurus
  • 21. How is Dracorex hogwartsia described?
A) As a plated thyreophoran
B) As a small, flat-headed pachycephalosaur
C) As a feathered dromaeosaurid
D) As a giant horned ceratopsian
  • 22. Dracorex hogwartsia is likely just a juvenile of which dinosaur?
A) Gravitholus
B) Stegoceras
C) Pachycephalosaurus
D) Stygimoloch
  • 23. Drinker nisti may be a synonym of which dinosaur?
A) Dryosaurus
B) Camptosaurus
C) Nanosaurus
D) Othnielia
  • 24. If Drinker nisti is correctly assigned based on its tooth features, it would be the only pachycephalosaur known from which period?
A) Cretaceous
B) Triassic
C) Paleogene
D) Jurassic
  • 25. Geminiraptor suarezarum was originally named as a troodontid, but later reinterpreted as a second species of what?
A) Falcarius
B) Stenonychosaurus
C) Latenivenatrix
D) Troodon
  • 26. Gravitholus albertae is potentially an older specimen of which dinosaur?
A) Dracorex
B) Stegoceras
C) Stygimoloch
D) Pachycephalosaurus
  • 27. What is noted as the largest known troodontid?
A) Geminiraptor suarezarum
B) Troodon formosus
C) Stenonychosaurus
D) Latenivenatrix mcmasterae
  • 28. "Magulodon muirkirkensis" is known only from a single tooth that may belong to an ornithopod or what other group?
A) A nodosaurid ankylosaur
B) A dromaeosaurid theropod
C) A sauropod dinosaur
D) A basal ceratopsian
  • 29. What is said about "Microcephale" regarding its size?
A) It is an extremely small pachycephalosaur with skull caps only 5 centimetres long.
B) It is the largest known horned dinosaur in North America.
C) It is a massive sauropod known from tiny teeth.
D) It is a medium-sized theropod with a long tail.
  • 30. Mojoceratops perifania may be a synonym of which dinosaur?
A) Chasmosaurus
B) Styracosaurus
C) Triceratops
D) Centrosaurus
  • 31. Why was Nedoceratops hatcheri named "Diceratops"?
A) Because it had two horns on its frill
B) Because its teeth had two roots
C) Due to its lack of a nasal horn
D) Because it was discovered by two brothers
  • 32. What preoccupied name replaced "Diceratops" before it was named Nedoceratops hatcheri?
A) A fish
B) A mammal
C) An insect
D) A bird
  • 33. Ojoceratops fowleri may be ancestral to Triceratops or a synonym of which dinosaur?
A) Chasmosaurus
B) Torosaurus
C) Mojoceratops
D) Eotriceratops
  • 34. "Orcomimus" is potentially attributable to any ornithomimosaur taxa known from which formation?
A) Ferris Formation
B) Judith River Formation
C) Morrison Formation
D) Hell Creek Formation
  • 35. Othnielia rex is only known from what undiagnostic bone?
A) A humerus
B) A tooth
C) A skull cap
D) A femur
  • 36. Palaeopteryx thomsoni is known from a few very small bones which could belong to a bird or what other type of creature?
A) A flying pterosaur
B) A small crocodilian
C) An early mammal
D) A small bird-like dinosaur
  • 37. Protoavis texensis was described as a Triassic bird, but is most likely what?
A) A chimera consisting of elements from various unrelated tetrapods
B) A genuine ancestor of modern ostriches
C) A fully preserved dromaeosaurid skeleton
D) A hoax created in the twentieth century
  • 38. Phylogenetic analysis shows that Rhinorex condrupus may fall within which genus?
A) Parasaurolophus
B) Gryposaurus
C) Edmontosaurus
D) Hadrosaurus
  • 39. Rubeosaurus ovatus is likely a species of Styracosaurus or an unusual specimen of S. what?
A) perifania
B) albertensis
C) longispinus
D) fowleri
  • 40. What physical feature characterized Stygimoloch spinifer besides its short skull dome?
A) A massive nasal horn like a rhinoceros
B) Long trailing feathers on its head
C) A broad bony frill with spikes
D) Long horns jutting out from behind it
  • 41. What formation yielded three attributed specimens of Stygimoloch spinifer that represent its southernmost occurrence?
A) Ferris Formation
B) Morrison Formation
C) Hell Creek Formation
D) Judith River Formation
  • 42. Stygivenator molnari has uncertain taxonomic placement between Tyrannosaurus and which other genus?
A) Allosaurus
B) Gorgosaurus
C) Albertosaurus
D) Nanotyrannus
  • 43. What is time measured in along the x-axis of the timeline?
A) Ma, megaannum
B) Years
C) Centuries
D) Ka, kiloannum
  • 44. What type of fossils were unearthed from the Late Triassic Dockum Group of Texas?
A) Complete stegosaur skeletons
B) Hadrosaur eggshells
C) Fragmentary saurischian fossils
D) Ankylosaur armor plates
  • 45. Which of the following was a recognizable dinosaur genus from the Late Triassic of North America?
A) Tyrannosaurus
B) Coelophysis
C) Triceratops
D) Allosaurus
  • 46. Which early thyreophoran dinosaur lived in North America during the Early Jurassic and is thought ancestral to stegosaurs and ankylosaurs?
A) Sauropelta
B) Scutellosaurus
C) Stegosaurus
D) Ankylosaurus
  • 47. Which sauropod genus is listed as being found in the Morrison Formation?
A) Diplodocus
B) Astrodon
C) Alamosaurus
D) Sauroposeidon
  • 48. How many genera of stegosaurs are specifically noted as found in the Morrison Formation?
A) Five
B) Three
C) Seven
D) One
  • 49. Which of the following neornithischians was found in the Morrison Formation?
A) Thescelosaurus
B) Tenontosaurus
C) Camptosaurus
D) Leptoceratops
  • 50. Which group of dinosaurs replaced stegosaurs in the Cretaceous?
A) Sauropods
B) Ornithopods
C) Ceratopsians
D) Ankylosaurs
  • 51. Which dromaeosaurid is from the Early Cretaceous of North America?
A) Dromaeosaurus
B) Deinonychus
C) Atrociraptor
D) Bambiraptor
  • 52. Which carnosaur is from the Early Cretaceous of North America?
A) Tyrannosaurus
B) Siats
C) Acrocanthosaurus
D) Allosaurus
  • 53. Which sauropod is from the Early Cretaceous of North America?
A) Sauroposeidon
B) Brachiosaurus
C) Diplodocus
D) Apatosaurus
  • 54. Which ankylosaur is from the Early Cretaceous of North America?
A) Ankylosaurus
B) Edmontonia
C) Gastonia
D) Denversaurus
  • 55. What major dinosaur group saw the rise of hadrosaurs during the Cenomanian stage of the Late Cretaceous?
A) Ceratopsians
B) Sauropods
C) Stegosaurs
D) Ornithopods
  • 56. Which tyrannosaur made carnosaurs like Siats the continent's apex predators during the Cenomanian stage?
A) Albertosaurus
B) Tyrannosaurus rex
C) Gorgosaurus
D) Moros intrepidus
  • 57. Which larger ceratopsian lived during the Turonian stage of the Late Cretaceous?
A) Zuniceratops
B) Triceratops
C) Pentaceratops
D) Torosaurus
  • 58. During which stage of the Late Cretaceous is an enormous diversity of dinosaurs known?
A) Maastrichtian
B) Cenomanian
C) Turonian
D) Campanian
  • 59. Which tyrannosaur lived during the Campanian stage?
A) Tyrannosaurus
B) Albertosaurus
C) Nanotyrannus
D) Moros intrepidus
  • 60. Which ceratopsian existed during the Campanian stage?
A) Bravoceratops
B) Triceratops
C) Styracosaurus
D) Torosaurus
  • 61. Which hadrosaur existed during the Campanian stage?
A) Edmontosaurus
B) Saurolophus
C) Augustynolophus
D) Parasaurolophus
  • 62. During which latest Cretaceous age did the diversity of dinosaurs see a decline from the Campanian stage?
A) Turonian
B) Hettangian
C) Cenomanian
D) Maastrichtian
  • 63. Which titanosaur sauropod is from the latest Cretaceous (Maastrichtian) of North America?
A) Alamosaurus
B) Diplodocus
C) Brachiosaurus
D) Apatosaurus
  • 64. Which pachycephalosaur is a possible synonym of Pachycephalosaurus according to the text?
A) Tenontosaurus
B) Sphaerotholus
C) Stygimoloch
D) Thescelosaurus
  • 65. Which predatory dinosaur from the Maastrichtian is a tyrannosauroid?
A) Acrocanthosaurus
B) Dryptosaurus
C) Allosaurus
D) Ceratosaurus
  • 66. In which country was the Central American dinosaur femur discovered?
A) Guatemala
B) Nicaragua
C) Honduras
D) Costa Rica
  • 67. What is the museum catalogue number of the Central American dinosaur femur deposited in the US National Museum of Natural History?
A) USNM LAT 123456
B) USNM PAL 500210
C) USNM DIN 998221
D) USNM PAL 181339
  • 68. Who collected the isolated metatarsus near Olanchito, Honduras, reported in 1933?
A) Barnum Brown
B) Gregory Horne
C) George Mason
D) Bruce Simonson
  • 69. Which of the following is listed as a sauropod found in the Morrison Formation?
A) Alamosaurus
B) Barosaurus
C) Astrodon
D) Sauroposeidon
  • 70. Which of the following is listed as a theropod found in the Morrison Formation?
A) Deinonychus
B) Albertosaurus
C) Tyrannosaurus
D) Ornitholestes
  • 71. Which of the following is an ornithopod that lived during the Early Cretaceous?
A) Camptosaurus
B) Tenontosaurus
C) Edmontosaurus
D) Dryosaurus
  • 72. Which of the following is a tyrannosaur found in the Campanian stage of the Late Cretaceous?
A) Nanotyrannus
B) Daspletosaurus
C) Tyrannosaurus
D) Moros intrepidus
  • 73. Which of the following is a ceratopsian from the Maastrichtian age?
A) Styracosaurus
B) Regaliceratops
C) Zuniceratops
D) Centrosaurus
  • 74. Which of the following is an ornithomimid from the latest Cretaceous?
A) Microvenator
B) Struthiomimus
C) Coelurus
D) Ornitholestes
  • 75. Which of the following is a troodontid from the latest Cretaceous?
A) Troodon
B) Deinonychus
C) Atrociraptor
D) Bambiraptor
  • 76. Which of the following is a nodosaurid from the Maastrichtian age?
A) Sauropelta
B) Gastonia
C) Edmontonia
D) Ankylosaurus
  • 77. Which of the following is an ankylosaurid from the latest Cretaceous?
A) Gastonia
B) Edmontonia
C) Sauropelta
D) Ankylosaurus
  • 78. Which of the following is an oviraptorosaur from the latest Cretaceous?
A) Troodon
B) Ornithomimus
C) Anzu
D) Richardoestesia
  • 79. Which of the following is a dromaeosaur from the Maastrichtian age?
A) Utahraptor
B) Velociraptor
C) Dakotaraptor
D) Deinonychus
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