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Chinese-led team uncovers oldest known body fossils of ringed worms_蜘蛛资讯网

l molds of ancient worms through phosphate mineralization. Annelids, also known as ringed worms, are among the most species-rich and ecologically widespread groups of animals on Earth, including

lifestyles."These represent the oldest known body fossils of annelids in the Phanerozoic and suggest that the earliest Cambrian annelids may have differentiated into polychaete morphologies and that

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