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Ancient weirdos roamed seas longer than thought, plus clever turtle embryos and da Vinci’s tree patterns in this week’s news

By Science News

- More than 2 years ago

Weird giants kept on swimming
The biggest beasts known from the great evolutionary explosion of animal life about 540 million years ago, the anomalocarids, apparently did not know they were supposed to be extinct icons of their era, instead surviving some 30 million years longer than paleontologists had realized.