Types of Dinosaurs.
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Plateosaurus

Full Tyrannosaurus rex skeleton mount, the most famous predatory dinosaur
Photo: Ancheta_Wis (talk) (Uploads), CC BY 2.0, via Wikimedia Commons
Pronunciation
PLAY-tee-uh-SAWR-us
Name means
Flat Lizard
Also known as
Efraasia, Sellosaurus
Diet
Herbivore
Posture
Quadrupedal
Period
Late Triassic
Length
26 feet (7.9 meters)
Height
10 feet (3 meters)
Weight
4,000 pounds (1,814 kg)

Order: Saurischia · Suborder: Sauropodomorpha · Infraorder: Prosauropoda · Family: Plateosauridae

Plateosaurus lived in Europe, South Africa, and Nova Scotia. It had a small head and a long neck. It was basically quadrupedal; however, it might have stood on its hind legs to eat from the tops of trees. It most likely lived in herds.

Mounted Diplodocus skeleton, an extremely long Jurassic sauropod
Photo: Dosseman, CC BY-SA 4.0, via Wikimedia Commons

More Triassic-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 Plateosaurus mean?

The name Plateosaurus means “Flat Lizard”. It is pronounced PLAY-tee-uh-SAWR-us.

When did Plateosaurus live?

Plateosaurus lived during the Late Triassic.

Was Plateosaurus a carnivore or a herbivore?

Plateosaurus was a herbivore.

How big was Plateosaurus?

Plateosaurus was about 26 feet (7.9 meters) long, around 10 feet (3 meters) tall, weighing up to 4,000 pounds (1,814 kg).

Related dinosaurs

Other dinosaurs from the Plateosauridae family.

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