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_Odontochelys semitestacea_ comes out of its shell
Really clumsily worded line after the title below.
Published online 26 November 2008 | Nature | doi:10.1038/news.2008.1260
How the turtle got its shell
Chinese fossil forces palaeontologists forced to rethink turtle origins.
The discovery, in China, of the oldest known turtle fossil has turned
palaeontologists' understanding of the species' origin and ecology on its head.
The fossil of Odontochelys semitestacea was found in sediments deposited in
the Nanpanjiang Trough Basin and dates back 220 million years â around 14
million years older than previous fossils found in Germany.
The find suggests that turtles evolved in a marine environment. The oldest
turtle fossils previously found are thought to be from land-based animals,
which led scientists to conclude that turtles evolved in a terrestrial
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