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Meaning: Hollow form
How to say it: see-LOH-fiss-iss
Where found: North America
Length: 3 metres
Height: About 2 metres
Weight: 27kg
How it walked: Walked on two legs
Teeth: small sharp teeth
Type of feeder: Carnivore (meat eater)
Food: Vertebrates
Period: Triassic
When it lived: 225-220 million years ago
Type of hip: lizard-hipped
Other info: One of the earliest known dinosaurs
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