Dinosaur%20Facts

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Dinosaur Facts
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BrontosaurusOops!

• This is actually a Apatosaurus.  It was
  mistakenly named in the 1870's.  Now most museums
  do not use the name "brontosaurus".

Apatosaurus means "deceptive lizard"  It was
about 18 m long and weighed about 30 tons. It
had a very small brain. Herbivore
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Diplodocus

• Diplodocus is a plant eater.
• It has a long neck and a very long tail.
• The Diplodocus is one of the longest land
  animals.
• The Diplodocus walked on all four legs.
• Herbivore

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Brachiosaurus
This was one of the largest dinosaurs.  It was
25m long (81 feet) and weighed about 80 tons
(160,000 pounds). Brachiosaurus means
"arm-lizard" Herbivore
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Iguanodon
One of the first known dinosaurs. It was named
Iguanodon "iguana tooth" because its tooth
resembled an iguana' tooth but much larger. It
walked on its back legs, weighed about 7 tons
(14,000 pounds) and was about 30 feet long. The
Iguanodon had human like hands with a sharp
thumb, he used as a  weapon.   Herbivore
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Trachodon
Trachodon (meaning "rough tooth") is a
plant-eating dinosaur that is known only from a
few teeth and jaw parts that were found in
Montana, USA. From the teeth, it has been
surmised that Trachodon was probably a
duck-billed dinosaur (a lambeosaurine hadrosaur).
Trachodon dates from the late Cretaceous period,
about 77-73 million years ago. Herbivore Trachodo
n is a dubious genus due to the sparsity of
fossils.
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Triceratops

• Triceratops means " three horned face".  It
  uses them to fight their predators. Their heads
  were huge and about 1/3 as long as their bodies.
• They lived on the edge of the forest. 
• Herbivore

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Stegasaurus

• Stegosaurus had a very small bird-like head
  compared to the rest of its huge body. 
• Its brain was about the size of a walnut.  Its
  back legs were twice as long as his front legs. 
• The Stegosaurus had bony plates down its back
  and tail.  He used his tail as a weapon.
• Herbivore

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Ankylosaurus
Ankylosaurus had a bumpy back of armor which
protected him from his predators.   Predators
could not penetrate his tough back.  He also had
a very powerful tail.  Ankylosaurus was about
18-20 feet long and six foot high. Herbivore
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Protoceratops
This horned-faced dinosaur laid eggs in a sandy
nest near a pond.   This dinosaur was usually
part of a herd that helped protect each other. 
Its sharp beak was its main defense against
predators. Herbivore
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Fossilized Eggs
Allosaurus eggs have been found which would have
contained tiny embryos
Allosaurus means "different lizard," named for
its unusual vertebrae, lighter than those of
other dinosaurs Allosaurus was a top predator
with a huge head, sharp, serrated teeth, short
arms, and three-fingered hands. Carnivore
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Tyrannosaurus Rex
T-Rex was one of the biggest and strongest
dinosaurs.  Tyrannosaurus Rex had two very
strong legs and walked upright.  He was about
20 feet high and 40 feet long.  Each foot had
three toes with claws.  He had a huge head and
very sharp dagger-like teeth. Carnivore
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Elasmosaurus
Elasmosaurus was a long-necked marine reptile
that was up to 46 feet long (14 m). Half of its
length was its neck, which had as many as 75-76
vertebrae in it (in comparison, people have 7-8
neck vertebrae). Elasmosaurus had four long,
paddle-like flippers, a tiny head, sharp teeth in
strong jaws, and a pointed tail. It was the
longest of the Plesiosaurs
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How Fast Can They Run?
Man
Cheetah
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47 dinosaurs from USA
http//internt.nhm.ac.uk/jdsml/dino/country.dsml?d
ispgallcountryUSA