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More Dinosaur Fact Sheets EnchantedLearning.com
Hesperisaurus Fact Sheet
Go to a Printable Version
Dinosaur/Paleontology Dictionary
NAME: Meaning - Hesperosaurus (originally called Hesperisaurus) means "western lizard"
Pronounced - hes-PARE-uh-SAWR-us
Named By - K. Carpenter et al.
When Named - 2001
DIET: Herbivore (plant-eater) - Hesperosaurus probably ate ferns, smaller club mosses, cycads, horsetails, and bushy conifers.
SIZE: Length - ?
Height - ?
Weight - ?
WHEN IT LIVED: Late Jurassic period, about 150 million years ago
WHERE IT LIVED: Fossils have been found in the Morrison Formation, Jackson County, Wyoming, USA, North America.
FOSSILS: Hesperosaurus was found in Wyoming in 1985.
CLASSIFICATION:
  • Kingdom Animalia (animals)
  • Phylum Chordata (having a hollow nerve chord ending in a brain)
  • Class Archosauria (diapsids with socket-set teeth, etc.)
  • Order Ornithischia - bird-hipped dinosaurs
  • Suborder Thyreophora
  • Superfamily Stegosauria
  • Family Stegosauridae
  • Genus Hesperosaurus
  • Species H. mjosi (type species named by Carpenter et al., 2001)
INTERESTING
FACTS:
Hesperosaurus was a primitive stegosaurid dinosaur that had a single row of rounded plates running down its back; it also had four bony spikes (thagomizers) at the end of the tail.




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