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At the end of the Jurrasic period, Western Gondwana (South America, Arabia, Malagasy,
and India) stared to seperate from Eastern Gondwana (Antarctica, Australia, New Guinea,
New Caledonia, and New Zealand). This pushed Eastern Gondwana furthur south, and
thus to a colder climate. New Zealand, for instance, had a latitude of 55 degrees
during late Jurassic times and by late Cretaceous, had moved to 85 degrees.
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