Page 27 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)
P. 27
Giraffatitan
Sauropodomorphs
The sauropodomorphs
are named after the
sauropods—giant,
long-necked plant-eaters Ceratopsians
that did not have beaks Most ceratopsians
and walked on had horned heads and
four legs. big, bony frills extending
from the back of their skulls.
They were plant-eaters
with hooked,
parrotlike beaks.
Alioramus
Einiosaurus
Pachycephalosaurs
Theropods These dinosaurs had
Theropods were very thick skulls. They
nearly all meat-eaters walked on two legs
that walked on two and probably ate a
legs. Some were huge, variety of plant and
powerful hunters, but animal food.
the theropods also
include birds.
Pachycephalosaurus
Marginocephalians
Ornithopods
The ornithopods
were a group of beaked
plant-eaters that mostly
walked on two feet, but the
biggest ones supported
some of their weight
on their hands.
Stegosaurs Iguanodon
These beaked,
plant-eating dinosaurs
had rows of tall plates
and spikes extending
down their backs and
tails. They all walked Ankylosaurs
on four legs.
Stegosaurus Sometimes called
tank dinosaurs, these
plant-eating heavyweights
had thick body armor
for defense against large Ankylosaurus
theropod predators.
Thyreophorans
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