http://www.thamesvalleybirds.co.uk/r...-103718-62.jpg The first Archaeopteryx skeleton specimen was uncovered in 1861 and is looked after at the Natural History Museum. How does new research change its place in the dinosaur-bird family tree.
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http://www.thamesvalleybirds.co.uk/r...-103718-62.jpg The first Archaeopteryx skeleton specimen was uncovered in 1861 and is looked after at the Natural History Museum. How does new research change its place in the dinosaur-bird family tree.
More...