Hypsilophodont

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iHypsilophodonts
Conservation status
Extinct (fossil)
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Superorder: Dinosauria Order: Ornithischia Suborder: Ornithopoda Family: Hypsilophodontidae Dollo, 1882
Genera
See text.

Hypsilophodonts are small ornithopod dinosaurs, the only certain member is Hypsilophodon. The group traditionally has included almost all ornithopods other than iguanodonts, but recent phylogenetic analyses have found that the group is mostly paraphyletic and the taxa within usually represent a stepwise arrangement leading up to Iguanodontia.

[edit] Taxonomy

• FAMILY HYPSILOPHODONTIDAE
  • ?Atlascopcosaurus
  • ?Fulgurotherium
  • ?Leaellynasaura
  • ?Qantassaurus
  • ?Notohypsilophodon
  • Subfamily Thescelosaurinae
    • Bugenasaura
    • Thescelosaurus
  • Subfamily Othnielosaurinae
    • Drinker
    • Yandusaurus
    • Hexinlusaurus
    • Othnielosaurus
  • Subfamily Zephyrosaurinae
    • Orodromeus
    • Zephyrosaurus
  • Subfamily Hypsilophodontinae
    • Hypsilophodon
    • Parksosaurus