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Troodon Fact Sheet
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Troodon
Dinosaur/Paleontology Dictionary
NAME: Meaning - Troodon means "wounding tooth"
Pronounced - TROH-o-don
Named By - Joseph Leidy
When Named - 1856
DIET: Carnivore (meat-eater)
SIZE: Length - 6.5-11.5 ft (2-3.5 m) long
Height - 3 ft (1 m) tall at the hips
Weight - 110 pounds (50 kg)
WHEN IT LIVED: Late Cretaceous period, about 76-70 million years ago
WHERE IT LIVED: Fossils have been found in Canada (Alberta) and USA (Montana and Wyoming), North America.
FOSSILS: The first Troödon fossil was discovered by Ferdinand V. Hayden in 1855. Many teeth, 20 skeletons, and elongated eggs (some located in dirt nests) with embryos have been found.
CLASSIFICATION:
  • Kingdom Animalia (animals)
  • Phylum Chordata (having a hollow nerve chord ending in a brain)
  • Class Archosauria (diapsids with socket-set teeth, etc.)
  • Order Saurischia - lizard-hipped dinosaurs
  • Suborder Theropoda - bipedal carnivores
  • Tetanura - advanced theropods with three fingers
  • Infraorder Coelurosauria - lightly-built fast-running predators with hollow bones and large brains
  • Family Troodontidae - the smartest dinosaurs with large eyes and grasping hands (eg. Troödon, Borogovia, Hepasteornis, Paronychodon, Saurornithoides, Sinornithoides, and Tochisaurus). They may have been omnivores.
  • Genus Troodon
  • Species T. formosus (type species named by Leidy, 1856)
INTERESTING
FACTS:
Troodon may have been the smartest dinosaur, having the largest brain in proportion to its body weight (as smart as a modern bird). It was a fast-moving, light-weight predator that walked on two long legs. It had serrated teeth, long, slim jaws, and a stiff tail.
LINKS: A detailed page on Troodon.

Troodon coloring/information printout


Dinosaur Brief Fact Sheets
Abelisaurus
Aegyptosaurus
Afrovenator
Allosaurus
Altirhinus
Ankylosaurus
Apatosaurus
Archaeopteryx
Argentinosaurus
Bactrosaurus
Baryonyx
Beipiaosaurus
Brachiosaurus
Brontosaurus
Carcharodontosaurus
Carnotaurus
Cetiosaurus
Compsognathus
Corythosaurus
Cryolophosaurus
Daspletosaurus
Dilophosaurus
Diplodocus
Dimetrodon (not a dino)
Dromaeosaurus
Dryptosaurus
Dryosaurus
Edmontosaurus
Einiosaurus
Elaphrosaurus
Eoraptor
Eotyrannus
Eustreptospondylus
Gallimimus
Gasparinisaura
Giganotosaurus
Gorgosaurus
Herrerasaurus
Hesperisaurus
Iguanodon
Jaxartosaurus
Lambeosaurus
Leaellynasaura
Leptoceratops
Masiakasaurus
Massospondylus
Megaraptor
Metriacanthosaurus
Muttaburrasaurus
Nothronychus
Nqwebasaurus
Othnielia
Panoplosaurus
Parasaurolophus
Parksosaurus
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Procompsognathus
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Ricardoestesia
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Shuvuuia
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Sinosauropteryx
Spinosaurus
Stegosaurus
Stygimoloch
Suchomimus
Therizinosaurus
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Torvosaurus
Triceratops
Troodon
Tyrannosaurus rex (T. rex)
Ultrasauros
Utahraptor
Velociraptor
Wuerhosaurus
Zuniceratops

For more dinosaurs, see our detailed dinosaur information pages, our dinosaur coloring/information printouts, or the dinosaur dictionary, which list many more dinosaurs.

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