Anatomy:

Ø
Horny beak
Ø
Long and stiff tail
Ø
large eyes
Ø
long, thin legs
Ø
three toes
Ø
much shorter arms
Ø
five long finger
Ø toothless
upper front jaw
Ø
self-sharpening cheek teeth
Ø
May have stored food in its cheeks

Size:
|
|
size |
|
|
Length |
10 feet
(3 m) |
|
Height |
5 feet
(1.7 m) |
|
weight |
about
170-200 pounds (77-90 kg) |
|
|
|
|
Meaning and pronunciation:
|
|
DRYOSAURUS |
|
|
Meaning |
Oak tree lizard |
|
pronounced |
DRY-oh-sore-us |
Diet:
|
|
DIET |
|
|
CARNIVORE |
|
|
HERBIVORE |
*** |
|
conifers, cycads, and ginkgos |
Intelligence:
|
intelligence |
|
Very
high |
|
|
High |
|
|
Mid |
*** |
|
low |
|
|
Very
low |
|
Behavior:
|
Traveling
|
In herds |
|
Offspring |
Hatchling |
Locomotion:
|
|
Biped |
Quadruped |
|
Running |
*** |
|
|
Walking |
*** |
|
Period of life:
|
ERA |
PERIOD |
EPOCH |
MILLIONS YEARS AGO |
|
Mesozoic |
Jurassic |
LATE |
156-145 |
Discovery of fossil:
Its fossils have been found in
Colorado, Utah, Wyoming, USA (North America) and Tanzania
(Africa).
Classification:
|
|
classification |
|
|
FAMILY |
Dryosauridae |
|
INFRAORDER |
Iguanodontia |
|
SUBORDER |
Ornithopoda |
|
ORDER |
Ornithischia |