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Ancient walking mystery deepens [View all]
Source: BBC
Ancient walking mystery deepens
By Helen Briggs
BBC News
One of the first creatures to step on land could not have walked on four legs, 3D computer models show.
Textbook pictures of the 360-million-year-old animal moving like a salamander are incorrect, say scientists.
Instead, it would have hauled itself from the water using its front limbs as crutches, research in Nature suggests.
The move from living in water to life on land - a pivotal moment in evolution - must have been a gradual one.
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Read more: http://www.bbc.co.uk/news/science-environment-18177493
Reconstruction of the body of Ichthyostega
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