Page 88 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Plant-eaters

All ceratopsians
had closely packed
Protoceratops
cheek teeth for
chopping up leaves.

Nigersaurus

Diplodocus

Diplodocus used its
peglike teeth like a rake.

This
dinosaur
had more than
1,000
teeth.

Edmontosaurus

The front Hadrosaur
of the jaw
supported a
broad beak.

Plant-eating dinosaurs used their teeth in not seem to have chewed their food, and just
different ways. The long-necked sauropods swallowed the leaves whole. Other plant-eaters
and their relatives—animals like Diplodocus— like Edmontosaurus and Psittacosaurus had
had specialized front teeth for gathering plants. sharp beaks for gathering food, and specially
Some used their teeth like combs to strip leaves adapted cheek teeth for chewing it. The teeth
86 from the twigs of trees and bushes. Many do of some of these animals, such as Iguanodon,

US_086-087_Plant_eaters.indd 86 10/04/18 3:33 PM