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A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs ...
Meet the weird, wacky and wonderful creatures that lived in Cambrian seas over 500 million years ago
The Cambrian sea was a very strange and alien place. Evolutionary biologist Stephen Jay Gould described the animals that lived there in his book Wonderful Life: The Burgess Shale and the Nature of ...
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