Name

Dacentrurinae

Scutellosaurus

Ceratopsians

Huayangosaurs

Pic

Era

Later Jurassic

the earliest Jurassic

about 100 million years ago

They lived during the early to the middle Jurassic

Features

Long neck

It had armor plates set into the skin of its back

It has a giant bony frill on its head.

slow moving, head close to the ground, making it hard to see predators approach, neck and much of flanks unprotected

Height

7 to 10 meters

It is one and one-half meters long.

1 to 4 meters

Weight

Up to 6 tones

five-ton, size of a car

5 to 400 kg

Place

European islands - middle Laurasia

western North America

in North America and in Asia

world-wide

Food

plants

plant-eating dinosaurs

they fed on tough vegetation

low-level (to 1 meter) browsers