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DT1 |
T. rex was a huge meat-eating
dinosaur that lived during the late Cretaceous period,
about 85 million to 65 million years ago. |
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DT2 |
Tyrannosaurus rex was a fierce predator
that walked on two powerful legs. This meat-eater had
a huge head with large, pointed, replaceable teeth and
well-developed jaw muscles. |
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DT3 |
The Pterodactyl wasn't a bird or mammal.
It was a reptile which used its great featherless wings
to glide through the air. |
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DT4 |
There is probably no animal more widely
acknowledged as symbolizing the prehistoric North than
the woolly mammoth. |
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DT5 |
Stegosaurus was a large lizard, up to 26-30
feet long, about 9 feet tall, and weighed about 6,800
pounds. Its small brain was only the size of a walnut. |
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DT6 |
This pelycosaur was related to Dimetrodon
and had long spines growing out of its backbone. These
spines had distinctive crossbars and may have been covered
by skin, forming a thermoregulatory sail. |
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DT7 |
Edaphosaurus was an herbivorous early synapsid
that lived during the late Carboniferous and early Permian
period, about 320 to 258 million years ago, long before
the dinosaurs existed. |
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DT8 |
Triceratops was a rhinoceros-like dinosaur.
It walked on four sturdy legs and had three horns on its
face along with a large bony plate projecting from the
back of its skull. |
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DT9 |
Triceratops was about 30 feet long, 10 feet
tall, and weighed up to 6-12 tons. It had a short, pointed
tail, a bulky body, column-like legs with hoof-like claws,
and a bony neck. |
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DT10 |
Seymouria is the "missing link"
between amphibians and reptiles. Seymouria was a small
land dwelling animal that lived about 280 million years
ago during the Permian Period and moved about by undulating
its backbone from side to side. |
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DT11 |
The Phororhacos was a flesh eating bird
that did not fly. It's ferocious beak was the terror of
the prehistoric plains.
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DT12 |
Diplodocus was a large plant-eating dinosaur
with tremendously elongated neck and a whip-like tail. |
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DT13 |
Brachiosaurus was the heaviest of the dinosaurs.
Brachiosaurus was about 75 feet in length and weighed
30 to 70 tons. Its long forelegs, unlike those of most
dinosaurs, were the reason for its name, arm lizard.
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DT14 |
This name means ‘mixed reptile’. Mixosaurus
was an Early Triassic ichthyosaur which lived before the
other ichthyosaurs. |
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DT15 |
Prehistoric giant squid are carnivorous
mollusks that have a long, torpedo shaped body. They have
been known to grow the size of a city bus. |
