Page 120 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Arms and hands

The age of dinosaurs Iguanodon Multiuse hands Heterodontosaurus Euoplocephalus

could hold food,
support weight, and
fight off enemies.

Sturdy fingers acted as
Heterodontosaurus used toes, supporting the weight
its hands to gather plant of this armored dinosaur.
food and catch animals.

Atlasaurus Gryposaurus

Atlasaurus
weighed
as much as
two
elephants.

The slender arms
of this hadrosaur were
sometimes used as legs.

A heavyweight sauropod,
Atlasaurus walked on the tips of its
toes, which formed a strong front foot.

The arms and hands of dinosaurs evolved specialized for walking. The arms of typical
in different ways to perform a variety of meat-eaters like the powerful Dubreuillosaurus
tasks. Those of small plant-eaters were adapted were adapted for gripping struggling prey while
for gathering food, but many, like Iguanodon, the predator got to work with its jaws. They
used their hands to support their weight. Bigger were short but strong, with sharp claws. Over
118 plant-eaters had very stout forelimbs that were time, some hunters, such as Citipati and

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