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Brachiosaurus
A large dinosaur with a very long neck that
lived in western North America about 154-153 million years ago during the
Jurassic.
Diplodocus
Diplodocus lived in western North America at the
end of the Jurassic Period about 155 to 148 million years ago. It could grow
to more than 100 feet long and weigh more than 15 tons!
Dinoceras
Dinoceras, Uintatherium anceps and "Beast of the
Uinta Mountains", was a mammal that lived in Wyoming during the Eocene epoch
beginning around 52 million years ago.
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Allosaurus
A large dinosaur that lived 155 to 150 million
years ago during the Jurassic. It many long, sharp teeth and grew to almost
40 feet long!
Ichthyosaur
Ichthyosaurs were reptiles that lived during the Triassic
and the Cretaceous. They measured up to 40 feet long, had strong jaws, sharp
teeth and big eyes to see their prey.
Stegosaurus
Stegosaurus could grow up to 30 feet long, 14 feet high to
the top of its bony plates and could weigh more than 3 tons.
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Tyrannosaurus
The "Tyrant Lizard" was one of the largest carnivores ever
and lived in North America from 67 to 65.5 million years ago.
Camptosaurus
Camptosaurus lived in North America during the Jurassic
period. It had a beak, ate plants and grew up to 26 feet long!
Brontosaurus
Brantosaurus, now named
Apatosaurus, was an incredibly huge dinosaur that lived from around
154 to 150 million years ago. Some grew to grew to as long as 70 feet and
weighed from 20 to 35 tons.
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Dimetrodon
Dimetrodon was the scariest hunter 300 million years ago. It
had sharp canines and shearing teeth.
Pterodactyl
Pterodactyls and Pteranodons were some of the most
fascinating reptiles ever to have lived. Some had wingspans of 30 feet!
Stegocephalian
Stegocephalian was an amphibian that lived 300 million years
ago.
Limnoscelis paludis
Bimnoscelis was a meat eating, reptile-like amphibian that lived in North
America about 290 million years ago.
Trachodon
From "duckbilled" dinosaur fossils.
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Triceralops
Everyone knows the Triceratops because this dinosaur is in
many movies and TV shows often fighting with Tyrannosaurus Rex.
Iguanodon
One of the first dinosaur fossils to be discovered and one
of the most popular. It ran on two legs!
Geosaurus thalattosuchian
The "Earth lizard" was an early Crocodile that lived in the seas
more than 150 million years ago
Ornitholestes
Small dinosaurs that lived about 154 million years ago.
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Plesiosaur
Plesiosaurus is the ancient sea reptile. It hunted fish and
other sea creatures.
Tetrapteryx
An old drawing of a fossil which had feathers.
Branchiosaurus
Branchiosaurus was an amphibian which lived 300 million
years ago.
Podokesaurus
One of the first dinosaurs. It lived in the eastern United
States during the Jurassic.
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