Types of Dinosaurs.
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Dryosaurus

Full Tyrannosaurus rex skeleton mount, the most famous predatory dinosaur
Photo: Ancheta_Wis (talk) (Uploads), CC BY 2.0, via Wikimedia Commons
Pronunciation
DRY-o-SAWR-us
Name means
Oak Lizard
Also known as
Dysalotosaurus
Diet
Herbivore
Posture
Bipedal
Period
Late Jurassic
Length
12 feet (3.7 meters)
Height
5 feet (1.5 meters)
Weight
2,000 pounds (907 kg)

Order: Ornithischia · Suborder: Ornithopoda · Infraorder: Iguanodontia · Family: Dryosauridae

Dryosaurus had a toothless beak and teeth shaped like oak leaves, made for grinding leaves. It also had five fingers on each hand for gripping its food. Specimens have been found in America, Europe and parts of Africa.

Mounted Stegosaurus skeleton with rows of back plates and tail spikes
Gary Todd from Xinzheng, China, public domain, via Wikimedia Commons

More Jurassic-period dinosaurs →

Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.

Frequently asked questions

What does Dryosaurus mean?

The name Dryosaurus means “Oak Lizard”. It is pronounced DRY-o-SAWR-us.

When did Dryosaurus live?

Dryosaurus lived during the Late Jurassic.

Was Dryosaurus a carnivore or a herbivore?

Dryosaurus was a herbivore.

How big was Dryosaurus?

Dryosaurus was about 12 feet (3.7 meters) long, around 5 feet (1.5 meters) tall, weighing up to 2,000 pounds (907 kg).

Related dinosaurs

Other dinosaurs from the Dryosauridae family.

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