Esempi
The findings could finally end a debate that has raged ever since the first archaeopteryx fossil was discovered in a German limestone quarry two years after Charles Darwin published his On the Origin of Species in 1859.
One of them in Britain might be archaeopteryx , the bird-like creature with teeth and other reptilian features.
One would expect birds older than archaeopteryx to be much more reptile-like, but they are much like modern birds.
The first bird, archaeopteryx , is thought to have evolved about 147m years ago.
An archaeopteryx , feathers and all, spreads its wings as you open one page; a lumbering ankylosaur rises from the folds of another, its spiny tail raised threateningly.
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