Dryosaurus altus

Marsh, 1894

"oak lizard"
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TYPE SPECIES: D. altus, Marsh, 1878 (moved from Laosaurus)
OTHER SPECIES: D. lettowvorbecki, Virchow, 1919 & Galton, 1977
SYNONYMS: none
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CLASSIFICATION:
Ornithodira
Dinosauria
Ornithischia
Ornithopoda
Iguanodontia
Dryosauridae


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LENGTH: 3-4 meters (10-13 feet)

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TIME PERIOD: Kimmeridgian to Tithonian (Late Jurassic)

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LOCATION: Colorado, USA (D. altus), Africa (D. lettowvorbecki)

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ABOUT: A medium-sized herbivore of which several specimens are known, including an infant.

Drawn by Brian Roesch.