• themostcompleteTyrannosaurus rex skeleton contains 80% of its original bone structure and is
displayed at the Field Museum in Chicago?
• thecountrywiththegreatestvarietyofdinosaurspeciesistheUnitedStates,followedbyCanada,
China, Argentina, Mongolia, and England?
• Spinosaurus was a semi-aquatic dinosaur?
(Above) Canadian flag, NASA space shuttle, American flag
(Below) Field Museum of Chicago, Jack Horner
11
NEWDISCOVERIES
Even though dinosaur species were identified for the first time
about two hundred years ago, we’re still discovering new species
today. Here are a few recent finds:
• Nanuqsaurus, a smaller cousin of Tyrannosaurus, was discovered
in the Arctic. Nanuq is the word for polar bear in Inuktitut.
• Agiantsauropod,Dreadnoughtus, was discovered in the south
of Argentina. Its name comes from the word “dreadnought,”
which describes a huge battleship.
• A predator by the name of Qianzhousaurus sinensis was dis-
covered in the south of China. It was nicknamed “Pinocchio rex”
because of its long snout.
(Top left) Nanuqsaurus skull
(Top right) Illustration of Nanuqsaurus
12
BEFOREDINOSAURS...
The first fish appeared in the period called the Cambrian, 530 million
years ago. The first plants on land date back to the period called
Конец ознакомительного фрагмента.
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