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Giant dinosaurs 'crossed continents'
Giant dinosaurs 'crossed continents'
By Helen Briggs
BBC News
20 October 2016
Some of the giants of the dinosaur family may have originated in South America and crossed over Antarctica to Australia about 100 million years ago.
The dinosaurs were able to make the journey when a spell of warming allowed passage over frozen land bridges between the continents.
Two fossil discoveries in Australia shed new light on this theory.
. . .
Further classified as titanosaurs, they are among the largest dinosaurs ever to walk the Earth.
More:
http://www.bbc.com/news/science-environment-37705462
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