Dryosaurus

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Dryosaurus
Temporal range: Late Jurassic, 155–145 Ma
Beneski Museum of Natural History Dryosaurus altus.jpg
D. altus, Beneski Museum of Natural History
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Suborder: Ornithopoda
Clade: Iguanodontia
Genus: Dryosaurus
Marsh, 1894
Type species
Dryosaurus altus
(Marsh, 1878 [originally Laosaurus altus])
Other species
  • D. elderae Carpenter & Galton, 2018

Dryosaurus was a small plant-eating ornithopod dinosaur that lived in forests of western North America around 150 million years ago.[1][2]

Its family, the Dryosauridae, were precursors (ancestors) of the Iguanodons, and lived from the Middle Jurassic to the Lower Cretaceous.

References[change | change source]

  1. Galton, P.M. & Jensen, J.A., 1973, "Small bones of the hypsilophodontid dinosaur Dryoraurus altus from the Upper Jurassic of Colorado", Great Basin Nature, 33: 129-132
  2. Kenneth Carpenter; Peter M. Galton (2018). "A photo documentation of bipedal ornithischian dinosaurs from the Upper Jurassic Morrison Formation, USA". Geology of the Intermountain West. 5: 167–207.