A fossil deposit in Yunnan, China, dating back 546–539 million years, shows that diverse, complex animals thrived well before the Cambrian explosion. The Jiangchuan Biota includes early deuterostomes, ...
Collection of fossils includes Ediacaran, Cambrian species, suggesting a transition. If, as the Jiangchuan Biota suggest, the Ediacaran gently eased into the Cambrian, then why has there appeared to ...
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